The very large crystals of quartz, feldspar, and muscovite found in pegmatites form from the final crystallizing parts of a magma.
How do pegmatites' crystals grow to such enormous sizes?In comparison to the ions in the melt, the ions in water are far more mobile. They may move about freely and crystallize quickly as a result. This explains why pegmatite crystals enlarge so much. Extreme crystallization conditions can sometimes result in crystals that are several meters long and weigh more than a ton.
How do pegmatites make their crystals?Instead, a magma that was particularly rich in dissolved water led to the formation of a pegmatite's enormous crystals. The water made it possible for the required components to diffuse to the crystallization sites very quickly. Veins that appeared at the conclusion of the crystallization of a sizable intrusive mass frequently develop pegmatites.
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which of the following developments during the Renaissance helped with the rise of accurate cartography?
The following developments during the Renaissance which helped with the rise of accurate cartography was the rediscovery of the work of Greek cartographers.
With the expansion of the known world caused by Alexander the Great's and the Romans' conquests, a vast amount of detail accumulated for use by later cartographers, who were thus able to take on the task outlined by Eratosthenes and Hipparchus with greater assurance of success. Although he lived 1300 years earlier, Ptolemy was possibly the single most influential individual Greek cartographers in the development of cartography in Europe and the Middle East at the dawn of the Renaissance. Although little is known about Ptolemy, we do have many of his technical writings, such as his Geography. Ptolemy's Geography is essentially a how-to manual for creating a world map.
Your question is incomplete but most probably the complete question is:
Which of the following developments during the Renaissance helped with the rise of accurate cartography?
Development of printing. Great voyages of discovery. Rediscovery of the work of Greek cartographers.
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be able to state how climate change is linked to various health outcomes through the many pathways outlined by the cdc
New health threats will appear, and some current health threats will become more serious. Not everyone faces the same danger. Age, financial resources, and location are significant factors is how climate change is linked to various health outcomes
Climate change refers to a shift in a region's typical weather over an extended period of time, including changes in temperature and precipitation. For instance, the United States was largely covered by glaciers 20,000 years ago. There are fewer glaciers and a warmer temperature in the United States today.
All of the Earth's typical long-term changes are referred to as global climate change. These include the effects of global warming, such as rising sea levels and melting mountain glaciers, in addition to altered precipitation patterns and hotter temperatures.
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which of the following is managed on a moderately restricted-use basis? select all that apply group of answer choices national wildlife refuges national wilderness areas none of the above national parks national resource lands
National parks are managed on a moderately restricted-use basis.
National ParksA national park is the largest built and maintained by national governments for biodiversity conservation. A sovereign state may also create or possess a reserve of undeveloped, lightly developed, or created property.
A national government has set aside a region as a national park to protect the environment on a restricted-use basis. A national park may be preserved for the benefit of the general public or due to its historical significance or scientific value. In a national park, the majority of the landscapes, along with the plants and animals that inhabit them, are preserved in their natural state.
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Cirques and horns are features associated with ________.
mountain glaciation
loess deposits
continental glaciation
glacial outwash deposits
Cirques and horns are features associated with mountain glaciation.
Glaciers are classified into two types: mountain glaciers and continental glaciers. Mountain glaciers create distinct erosional and depositional topography. Flowing ice, like flowing water, follows the original topography and seeks the steepest path.
Plucking is the removal of entire rock chunks. Glaciers can shape landscapes by eroding or removing rock and sediment. They can erode bedrock using two methods: Abrasion: The ice at the bottom of a glacier is usually contaminated with bits of rock, sediment, and debris.
Glaciers form on land, and they are made up of fallen snow that gets compressed into ice over many centuries. They move slowly downward from the pull of gravity. The majority of the world's glaciers are found in the polar regions, such as Greenland, the Canadian Arctic, and Antarctica.
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zcultures living along north america's pacific coast question 19 options: refused to trade with people living inland. supported their growing populations primarily through farming. remained nomadic during the pre-columbian period. took advantage of abundant ocean resources.
The cultures that inhabited the Pacific coast of North America resources from the wealth of the ocean.
A resource is any material that is available to us in our surroundings that is economically viable, technologically accessible, and culturally sustainable and that enables us to meet our needs and desires. Resources can be broadly divided into renewable and non-renewable categories based on their availability. They can also be divided into real and potential categories based on their level of development and use, biotic and abiotic categories based on their origin, and localized and ubiquitous categories based on their dispersion (private, community-owned, national and international resources). As technology advances over time, an object might become a resource. Utilizing resources effectively can lead to increased income, efficient system operation, or improved wellbeing.
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projections show true distance in all directions from a central point. (enter only one word per blank.)
Projections show that the true distance in all directions from a central point is infinity. This means that the point can be seen as having no boundaries when it comes to its distance from the point in all directions. While this may seem counter-intuitive, there is a mathematical truth behind it.
Mathematically, the concept of infinity is expressed as a number that is larger than any number, which can be expressed as a finite quantity. It is therefore impossible to measure the distance in all directions from a central point, since the number is infinite. For example, if you were to measure the distance from a point on a map, the number would eventually hit an infinite number, as it is not possible to measure the distance beyond that point.
The concept of infinity is also helpful when it comes to understanding the universe. Since the universe is believed to be infinitely large, it is impossible for us to measure the exact boundaries of it. In other words, if we were to measure the distance from a central point, the number would eventually hit an infinite number, since we can never measure the distance beyond that point due to the size of the universe.
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Sedimentary and igneous rocks change into a different type of rock by pressure and what?
HEAT. the heat warms them up and pressure compresses them into shape
some geographic aspects that isolates the country laos are that laos has no port city to the outside world which causes restrictions towards its globalization efforts. True or False
True, Laos is geographically isolated in part because it lacks a port city that is connected to the outside world, which limits its ambitions to become more globalization integrated.
The term "globalization" refers to the increasing interdependence of the economies, cultures, and populations throughout the world as a result of technology, cross-border trade in goods and services, and flows of capital, labor, and information.
The process of contact and integration between individuals, organizations, and governments on a global scale is known as globalization or globalisation. The term "globalization" was first used in the early 20th century (replacing the earlier French term "mondialisation"), it developed its current meaning sometime in the second half of the 20th century, and it became widely used in the 1990s to describe the unprecedented global connectivity of the post-Cold War world.
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what u mean by gravitational force and what are harmful effects of Covid 19
Answer:
Q1. What is gravitational force?
→Gravitational force is the attractive force exerted by the earth on all the objects in the universe.
Q2. What are the harmful effects of COVID-19?
→organ damage affecting the heart, kidneys, skin and brain
Inflammation and problems with the immune system can also happen.
Hope this helps :)Please mark me as brainliestAny two mass-containing objects are attracted to one another by the gravitational force. Increased mood swings, anger, withdrawal, and emotional dysregulation can all be signs of anxiety and depression.
What is depression?
Depression is a widespread and dangerous medical condition that has an adverse impact on how you feel, think, and behave. Thankfully, it is also curable.
Sadness and/or a loss of interest in previous hobbies are symptoms of depression. It can impair your ability to perform at work and at home and cause a number of mental and physical issues.
The loss of a loved one, the termination of a job, or the dissolution of a relationship are all trying events for a person to go through.
It is common for people to experience melancholy or grief in response to such circumstances. Those who have lost something frequently label themselves as "depressed."
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A fine-grained wind-deposited surface material with extensive deposits in the mid-latitudes is ________.
The geography of mesas and scarps is defined by broad, elevated flat areas with steep slopes at each elevation's edge A fine-grained wind-deposited surface material.
The term "scarp" describes the cliffs or steep slopes defining the mesa's perimeter while "mesa" refers to the high terrain. Repeated freezing and thawing of the snow that creates temperate glaciers causes it to transform into a type of granular ice known as This granular ice fuses into a firmer, denser substance under the weight of the snow and ice layers above it grained Scientists can easily explain the origin of pediments because they are familiar with desert erosion. In the last stages of erosion, the majority of mesas turn into inselbergs. It is known that there is a small depression where a great deal of fine material has deflated. as a hollow after deflation The leeward side of an island faces away from the wind and is protected from the prevailing winds by hills and mountains. An island's windward side faces the prevailing, or trade, winds.
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(q050) when the government failed to effectively evacuate people during and after the hurricane katrina disaster, individual citizens also failed to step up and help the victims.
Issues with acquiring, imparting, and overseeing data tormented numerous different parts of the reaction also. FEMA missing the mark on devices to follow the situation with shipments, disrupting the administration of providing food, water, ice, and other fundamental products to those deprived across the Bay Coast.
Great many Public Watchmen and government troops were prepared and shipped off Louisiana, with 7,841 nearby on August 29, to a limit of 46,838 on September 10. Various nearby policing from the nation over were briefly nominated by the state.
The tempest's harm was incredibly exacerbated by the disappointments of Congress, the Shrubbery organization, the Government Crisis board Organization (FEMA), and the Military Corps of Architects. Climate forecasters cautioned government authorities about Katrina's methodology, so they ought to have been prepared for it.
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in the cross section above, the age relationship between rock x and fault k can be determined by which relative age dating principle? group of answer choices inclusions original horizontality superposition cross cutting relationships
By looking at superposition and cross-cutting relationships, it is possible to estimate the age relationship between rock x and fault k in the cross section above.
What is a principle?A law, a natural rule, or a scientific norm are all examples of what is meant by a principle. Additionally, it can be used to refer to a personal or global moral code. Examples: An expression of the idea The idea of democracy is fundamentally based on the concept of human rights. a guideline for appropriate conduct that is founded on moral principles. As a noun, principle can also mean a multitude of things. "A general or fundamental fact," "a guiding rule of action," and "underlying or basic feature that inspires behavior or other activities" (as in "such principles of human nature as greed and curiosity") are some examples.
Why are principles important?In contrast, principles help us understand our surroundings, the people in them, and ourselves; they teach us just why things happen. Therefore, the majority of the material we must cover in our training should be principles. The word principal is derived from the Latin word principlis, which means "first, chief." Principle is derived from the Latin word principium, which means "beginning, origin, starting point, base." The Latin word prmus, which means "first, first," is ultimately the source of both names, including the English prime.
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rank the reservoirs of freshwater on earth by volume, with that containing the highest volume on first? 1. Ice Caps 2.Groundwater 3.Lakes 4. rivers
(2) Groundwater is the freshwater reservoir with the largest volume among all those on Earth.
What is does reservoir mean?A location where something is kept in reserve, like a man-made lake where water is collected and stored in large amounts for use. Humans, animals, and the environment are all reservoirs. The source from which an agent is moved to a host may or may not be the reservoir. For instance, while soil serves as the reservoir for Clostridium botulinum, inadequately canned food harboring C. botulinum spores is the main cause of botulism diseases. Large, frequently open water spaces are known as reservoirs, and they are used to store water before it is treated.
What is the role of reservoirs?A dam's construction results in the creation of an artificial lake known as a reservoir in a river valley. Flood risk control is reservoirs' most important function. In order to reduce the risk of flooding during times of heavy rain, reservoirs store water. The water is then slowly released over the next weeks and months.
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A Analyze the seafloor part of the map in Fig. A2.6.1, which depicts the area just off the Pacific Coast, west of California, Ore- gon, Washington, and southwest Canada. The colored bands are marine magnetic anomalies. Colored bands are rocks with a positive (+) magnetic anomaly, so they have normal polarity, like now. The white bands are rocks with a negative (-) mag- netic anomaly, so they have reversed polarity. Different colors indicate the ages of the rocks in millions of years, as shown in the magnetic polarity time scale provided.
The oldest rocks are at the bottom of the map, while the youngest rocks are at the top. This area's seafloor is made up of several parallel ridges and troughs, which are thought to be the result of tectonic activity.
The ridges are probably caused by magma that is upwelling, but the troughs are probably caused by the seafloor shifting or faulting. The seafloor is continually changing as new rocks are created and older rocks are pushed downward, according to the magnetic anomalies. The bands of color indicate that new rocks are forming in the region, indicating the sealor This area's seafloor is made up of several parallel ridges and troughs, which are thought to be the result of tectonic activity.
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Chemical weathering rates are highest in
O cold dry climates
O hot wet climates
O cold wet climates
O hot dry climates
Answer:
Hot, dry climates.
Explanation:
Most Atlantic tropical cyclones have their origin in
Multiple Choice
the Caribbean.
northwest Africa.
the Gulf of Mexico.
the middle of the Atlantic Ocean.
The majority of Atlantic tropical cyclones developed in North Africa and moved westward. It originates in the late summers from African easterly waves.
The overall circulation of the Earth's atmosphere has a significant role in their travel. The trade winds, which blow from east to west in the tropics, are what cause tropical cyclones to move in a generally westward direction.
They are referred to as "hurricanes" in the North Atlantic, Eastern North Pacific, and South Pacific Oceans. The term "cyclonic" is used in the Arabian Sea, the Bay of Bengal, and the Western South Indian Ocean.
Low-pressure disturbances that form as far east as Sudan in east Africa travel over the continent and into the Atlantic Ocean to produce tropical waves in the Atlantic basin.
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infiltration of surface water into the groundwater system is one type of that replenishes lost water.
Infiltration of water is a process by which water is moved downward into the soil. In sandy soil where there is a large number of pores, water moves faster than through clay soil where the number of pores is small.
Water pores on the ground in the form of rain and snow move into the subsurface soil and rock through the process of infiltration. To cater to the needs of the present world, underground water is becoming exhausted rapidly. The addition of water by the process of infiltration helps groundwater to become replenished from the loss of water. So infiltration plays an important role in the water cycle of the earth.
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infiltration of surface water into the groundwater system is one type of that replenishes lost water -- Discuss.
analyze figs 2.1 and 2.3 on what lithospheric plate do you love? notice that if you live in california west of the san andreas fault you are not considered to be on the north american plate
Extreme western North America is home to the San Andreas Fault, a significant Earth's crustal fissure.
From the northern edge of the Gulf of California across western California in the United States, the fault trends northwestward for more than 800 miles (1,300 km).
Tectonic movement along the fault has been linked to sporadic large earthquakes originating near the surface along its path, including a disastrous quake in San Francisco in 1906, a less serious event there in 1989, and a powerful and destructive earthquake centred in the Los Angeles suburb of Northridge in 1994 that occurred along one of the larger secondary faults of the San Andreas.
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FILL IN THE BLANK. Atmospheric Greenhouse Gases Preferentially Absorb ______ Coming From ______
Atmospheric Greenhouse Gases Preferentially Absorb the longer wavelengths of outgoing infrared radiation Coming From Earth's surface.
A greenhouse gasoline is a fuel that absorbs and emits radiant electricity within the thermal infrared range, inflicting the greenhouse impact. The number one greenhouse gases in Earth's ecosystem are water vapor, carbon dioxide, methane, nitrous oxide, and ozone. the primary greenhouse gases whose concentrations are growing are carbon dioxide, methane, nitrous oxide, hydrochlorofluorocarbons (HCFCs), hydrofluorocarbons (HFCs) and ozone within the decrease environment.
the principle gases answerable for the greenhouse impact encompass carbon dioxide, methane, nitrous oxide, and water vapor (which all occur evidently), and fluorinated gases (which are synthetic).
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Answer number 1# to get 100 points
The phrase best defines scarcity is a state in which human wants are greater than the resources available to fill those wants. The correct option is (B).
What do you mean by the scarcity?The term "scarcity" alludes to a fundamental economics conundrum—the discrepancy between finite resources and hypothetically unbounded wants.
In order to meet both basic necessities and as many additional wants as feasible, people need to decide how to spend resources effectively.
The fundamental issue in economics—allocating finite resources to endless wants and needs—is based on scarcity.
Economic scarcity is primarily caused by structural, supply- and demand-induced factors.
Therefore, the phrase best defines scarcity is a state in which human wants are greater than the resources available to fill those wants.
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Answer:
B
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Brainiest Please
estuaries group of answer choices are valleys flooded by seawater. have extremely salty water in them. originated as glacial valleys. are not found along the east coast of north america because it is a passive margin.
Estuaries a) are valleys flooded by seawater.
In the field of geography, when a region of freshwater meets the region of ocean water, then such a region is referred to as estuaries.
The development of estuaries takes place when the valleys are flooded by seawater in such a way that the ocean water mixes with the freshwater of the valley.
The sea water has a high concentration of salts and hence might affect the aquatic organisms of the freshwater that is present in the valley. The formation of estuaries is disruptive for the aquatic plants and animals of the freshwater.
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Thunder and lightning are most frequently observed _____?
Thunder and lightning are most frequently observed in Congo Basin in Central Africa and in the mid latitude than in the tropics.
What are Thunder and Lighting?Thunder is produced when lightning strikes the air. The lightning discharge quickly heats and expands the air. The temperature of the air in the lightning channel may approach 50,000 degrees Fahrenheit, making it 5 times hotter than the sun's surface.
Thunderstorms are most common over regions where intense solar heating promotes positively buoyant air parcels and convection. The highest frequency of lightning happens over equatorial Africa, and other low-latitude land regions have relatively high lightning frequencies as well.
Therefore, in the mid-latitude belt and in Congo Basin, thunder and lightning are most frequently observed.
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be able to define and describe a metapopulation, a source population and a sink population, and explain why identifying source and sink populations is important for conservation.
Ecology term for a regional collection of linked populations of a species. Each metapopulation within a given species is always changing due to changes in the number of persons and the number of individuals
As well as the development and dissolution of local populations within the metapopulation.
For the conservation of a species, the existence of source and sink populations has severe repercussions. The most significant implication is that source populations are the only ones that can ensure the long-term survival of a whole species (Dias 1996). The survival of a species is not, in theory, dependent on sink populations.
Sink populations are found in low-quality habitat areas that, without the help of individuals from a source population, would go extinct and be unable to support a population.
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the western slopes of the hawaiian islands are much drier than the windward coasts because they lie in the:
Because they lie in the rain shadow
A rain shadow is land that has been forced to become a desert because mountains prevent all plant growth and rainy weather. On one side of the mountain, the wet weather system brings rain and snow. On the other side of the mountain, the rain shadow side, all precipitation is blocked.
It is warm and dry in the shade of the rain. The other side of the mountain is wet and cool. The difference is as air masses move from low to high altitude, they expand and cool. This cold air cannot absorb moisture as well as the warm air. Cold air forms clouds, and when you climb mountains, it rains and snows. After the air mass crosses the top of the mountain and descends on the other side, the air warms and the clouds disperse. This means less precipitation.
You can often find rain shadows along some of the world's most famous mountain ranges. Death Valley, a desert in California and Nevada, USA. It is very hot and dry desert because it is in the rain shadow of the Sierra Nevada Mountains. A rain shadow of Tibet, China and India, the Tibetan Plateau owes its dry climate to the majestic Himalayas.
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These are like groins in the sense that they are perpendicular to the shoreline, but specially made to stabilize an inlet by blocking the longshore current.
Jetties are like groins in the sense that they are perpendicular to the shoreline, but specially made to stabilize an inlet by blocking the longshore current.
Jetties are a type of shore perpendicular structure which are situated adjacent to tidal inlets and harbors to control inlet migration and minimize sediment deposition within the inlet. Like groins, jetties may significantly destabilize the coastal system and disrupt natural sediment regimes. It is a structure that projects from land out into water. It is a long and narrow structure that protects a coastline from the currents and tides. It may serve as a breakwater or a walkway, or both. It may also serve in pairs, as a means of constricting a channel. They are generally made of wood, stone, or concrete stretching from the shore into the water.
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.why geography does not have not unique definition and consensus among geographers? Write the reason in accordance with the thoughts of geography
Answer:
it is such a broad and all-encompassing field.
Explanation:
As you can see from the definitions, geography is challenging to define because it is such a broad and all-encompassing field. It is far more than the study of maps and the physical features of the land because people are influenced and influence the land as well.
List two major food Crops produced
in Ghana
Ghana is a country located in West Africa with a diverse agricultural sector. Some major food crops produced in Ghana include:
Maize: Maize is a staple grain in Ghana and is grown for both human consumption and animal feed. It is a popular crop because it is relatively easy to grow and is adaptable to different climatic conditions.
Cassava: Cassava is another important food crop in Ghana and is used to make a variety of dishes, including gari (a type of flour), fufu (a staple food), and cassava chips. It is a hardy crop that can grow in poor soil conditions and is resistant to pests and diseases.
Other major food crops produced in Ghana include rice, yams, and plantains.
The _____ requires manufacturers to use at least 65 percent reusable or recyclable components and reduce or eliminate toxic material in their packaging. a. Electronic Industry Citizenship Coalition Directive b. Greenpeace Environmental Restriction of Hazardous Substances c. European Union's Restriction of Hazardous Substances Directive d. Electronic Product and Environmental Hazards Restriction Directive
The correct option is C. Manufacturers are required to use harmful materials less frequently or not at all in their packaging under the Restriction of Hazardous Substances Directive of the European Union.
The European Union adopted the Restriction of Hazardous Compounds Directive 2002/95/EC, often known as the Directive on the restriction of the use of certain hazardous substances in electrical and electronic equipment, in February 2003.
The goal of the program was to stop devices from containing too many chemicals. Electronics were so prohibited as a result.
Each member state is obligated to implement and make law the RoHS 1 directive, which became effective on July 1, 2006.
The fabrication of many types of electronic and electrical equipment is prohibited by this directive from using 10 hazardous materials.
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california department of conservation, division of mines and geology (dmg). seismic hazard zone report for the seal beach 7.5-minute quadrangle, los angeles and orange counties, california
California department of conservation, produced the seismic hazard zone report for the seal beach 7.5-minute quadrangle, los angeles and orange counties, california under Alquist-Priolo Earthquake Fault Zoning Act.
The Alquist-Priolo Earthquake Fault Zoning Act was created to control construction close to active faults in order to lessen the risk of surface fault rupture. The Special Publication 42, originally released in December 1973 as a "Index to Maps of Special Studies Zones," is currently in its eleventh iteration. Several digital products are now available in response to requests from different users of Alquist-Priolo maps and reports, including digital raster graphic and Geographic Information System (GIS) files of the Earthquake Fault Zones maps and digital files of Fault Evaluation Reports and site reports submitted to the California Geological Survey in accordance with the Alquist-Priolo Act.
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the photo above shows exposed sandstone strata on the olympic peninsula in washington state. select all of the following statements that are true. group of answer choices layer a is the oldest marked layer layer b is the youngest marked layer layer c is the oldest marked layer regional pressures have deformed or tilted this rock formation we know that layer b is between the ages of layers a and c, but cannot say whether layer a or layer c is oldest from the information provided.
Layer A is the oldest marked layer is not the correct option because the given sandstone strata are deformed and tilted which makes it difficult to understand which layer is the oldest.
Layer B is the youngest marked layer is not the correct option because it is in the middle of the A and C rock layers.
Layer C is the oldest marked layer is not the correct option because the given sandstone strata are deformed and tilted which makes it difficult to understand which layer is the oldest.
Regional pressures have deformed or tilted this rock formation is the correct option because external pressure which is produced due to the regional deformation caused them to deform or tilt.
We know that layer B is between the ages of layers A and C, but cannot say whether layer A or layer C is the oldest from the information provided is the correct option because layer B is in the middle of rock layers. A and C, and the sandstone strata deformed or tilted due to the regional pressure, this makes it difficult to understand whether layer A or layer C is the oldest marked layer.
Therefore, the correct answers are option 4 and 5.
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