Geologists can use the magnetic alignment of minerals in rocks to understand plate movements over time by studying the patterns of magnetic minerals in rocks. When rocks form, the minerals within them become aligned with the Earth's magnetic field. This alignment is preserved in the rock as it cools and solidifies. By studying the alignment of these magnetic minerals in rocks, geologists can determine the orientation of the Earth's magnetic field at the time the rock formed.
Over time, the Earth's magnetic field has reversed many times, with the north and south magnetic poles switching places. By studying the alignment of magnetic minerals in rocks of different ages, geologists can determine when these reversals occurred. This information can then be used to understand the movement of tectonic plates over time, as well as the formation and breakup of supercontinents.
For example, geologists can study the alignment of magnetic minerals in rocks on the sea floor to understand the movement of tectonic plates over time. By looking at the patterns of magnetic alignment in these rocks, geologists can determine the direction and rate of movement of the plates and how they have changed over time. This information can be used to understand the formation and breakup of supercontinents, as well as the history of plate tectonics on Earth.
Among cloud types, those that occur at the highest altitudes are the ___.
Cumulus
Altocumulus
Stratus
Cirrus
Stratocumulus
answer :
cirrus clouds.
Why was slavery so profitable?
Answer:
Below
Explanation:
Slavery was so profitable because it provided a large and consistent source of labor that was essentially free.
The cost of maintaining slaves was far less than that of hiring and paying workers, and the work could be done more quickly and efficiently.
Additionally, the profits generated from slave labor often went directly to the slave owner, making it an incredibly lucrative enterprise.
In 1948,member voted to give the united nation legal permiion to monitor health problem around the world. Thi action i an example of:
A. An intergovernmental organization
B. A precription
C. A treaty
D. A mandate
Answer:
D. A mandate
Explanation:
The UN members gave an order(mandate) through the votes for the UN committee to monitor global health problems.
Hence, the answer is a mandate since a mandate is an official order to grant permission for something to be executed.
Based on the information, the action is an example of mandate. (Option D)
Usually in the UN context, a mandate is the decision that provides a body authority to carry out its functions. UN mandate refers to the long-term international mission which has been authorized by the United Nations General Assembly or the UN Security Council. UN mandates typically involve peacekeeping and welfare operations. An example of UN mandate is establishment of a peacekeeping mission and enumeration of the types of activities to be carried out by the mission. Hence, the members voting in 1948 to give the United Nation legal permission to monitor health problems around the world is an example of mandate.
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What is the image of (-5,-1) after a reflection over the line y = x?
Answer:
(-1,5)
Explanation:
According to the chart, which country's HDI has improved the most since
1995?
Answer:
Explanation:
The United Nations Development Programme (UNDP) compiles the Human Development Index (HDI) of 191 nations in the annual Human Development Report. The index considers the health, education and income in a given country to provide a measure of human development which is comparable between countries and over time.
9. If you were to fly from Virginia’ capital to New York’, then from there to the capital of Wiconin, in which direction would you travel?
Answer:
Explanation:
First, You will Travel in NorthWest Direction.
what tectonic process destroys crust at some convergent margins (a.k.a. zones of crustal consumption)?
Subduction is the tectonic process which destroys crust at some convergent margins
The subduction of a cold oceanic lithosphere into a hot convective mantle is what distinguishes converging edges. The principal force causing this process is the slab pull brought on by the cold, thick rocks of the sinking oceanic lithosphere's negative buoyancy. A region on Earth where 2 or even more lithospheric plates clash is known as a convergent boundary, also referred to as a destructive boundary.
Convection cells in the mantle are what propel plate tectonics. Convection cells are produced when cool materials from the surface return to the mantle and heat produced by radioactive decay of mantle components escapes to the surface.
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how does a 1.2-solar-mass white dwarf compare to a 1.0-solar-mass white dwarf? A. It has a larger radius BuIt has a smaller radius C.It has a higher surface temperature. D.It has a lower surface temperature. E. It is supported by neutron, rather than electron degeneracy pressure.
Answer:
B. It has a smaller radius
Explanation:
The more mass the white dwarf is the more gravitational pressure that compresses it, making it shrink.
White Drawfs that exceed 1.4 solar masses turn into much smaller stars called neutron stars.
According to the chart, which country's HDI has improved the most since
1995?
Answer:
Botswana
Explanation:
we consider both mineral resources and energy resources to be¬¬___resources, many of which have a geologic origin.
A valuable metallic or non-metallic mineral qualifies as a mineral resource. Halite, talc, gypsum, or haematite are a few examples. Factors of crystalline abundance and concentration.
The amount by which the metal has been concentrated over its typical crustal abundance to produce an ore deposit is known as the concentration factor. The two main groups of mineral resources are metallic and nonmetallic. Metals like Gold, Silver, Tin, Copper, Lead, Zinc, Iron, Nickel, Chromium, and Aluminum are examples of metallic resources. Resources that are not made of metals include sand, gravel, gypsum, halite, uranium, and dimension stone. recent fault-prone areas. -Areas that recently had volcanic activity. Dry, hot, shallow rock that could be heated by pumping water. A mineral is a naturally occurring substance having unique atomic structures, compositions, and chemical and physical properties. The meaning of A larger definition of an economic mineral comprises metals, rocks, minerals, and liquid and solid hydrocarbons that are taken from the soil by mining, quarrying, and pumping.
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andean-type mountain building involves the convergence of two oceanic plates. group of answer choices true false
Andean-type mountain building involves the convergence of two oceanic plates. Given Statement are true.
The Andes Mountains are a chain of extremely high plateaus topped by even higher peaks that form an unbroken rampart stretching 5,500 miles (8,900 kilometers) from South America's southernmost tip to the continent's northernmost coast on the Caribbean.
The Andes were formed by tectonic activity, which occurs when one plate (oceanic crust) subducts beneath another plate (continental crust). It is unusual to find such a high mountain chain in a subduction zone setting, which emphasizes the importance of determining when and how it occurred.
Mountain formations are classified under the following categories:
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if an organism contains 600g of carbon- 14 in its tissues when it dies, how many grams of carbon-14 would remain after 5 half lives show your work to earn full credit
Answer:
The half-life of carbon-14 is 5730 years, so after 5 half-lives, 5*5730 = 28,650 years will have passed.
The decay of carbon-14 follows an exponential decay curve, so after 5 half-lives, the amount of carbon-14 left will be 1/32 of the original amount.
Therefore, after 5 half-lives, the amount of carbon-14 left will be 1/32 * 600g = 18.75g.
This is the final answer.
CORRECT ME IF I'M WRONGwhich one of the following statements regarding active and/or passive margins is not true?
Due to the size of its sand dunes, Cape Cod represents an active margin. (Cape Cod is an example of a passive margin rather than an active one.) This statement about active and/or passive margins is not true.
AMFTBs and the Mesozoic/Tertiary basins they are linked with are only found at the active borders of the circum-Pacific and Southeast Asia, and active margin they can be either intra oceanic arcs or continental volcanic arc systems. On the oceanward side of often-still-active arcs or else the inactive batholithic roots of past arcs, forearc basins are found. Behind the arcs are back-arc basins. Peneplaned, occasionally rifted basements that integrate with the protruding igneous rocks of the arc or else underlie them often underlie both basin types. The class of episutural basins, which includes both forearc and back-arc basins, is covered in Chapter 4 of Volume 1A of Roberts and Bally, as well as Tables 27.2 and 27.3 therein.
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is this statement true or false? the aegean sea is an arm of the mediterranean between turkey and greece. This part of True or False
- True
- False
at the beginning of the movie our hero prof. jack hall and his colleagues are found on the larsen b ice shelf in antarctica doing what?
Our protagonist, professor Jack Hall, and his colleagues are discovered on the Larsen B ice shelf in Antarctica while digging ice cores at the opening of the film. The right answer is C.
In the Weddell Sea's northwestern region, there is an extensive ice shelf called the Larsen Ice shelf. From Cape Longing to Smith Peninsula, it is extended. The Norwegian whaling ship that made the initial discovery of the Larsen Ice bore the name of its captain, Carl A. Larsen. In 1893, the Norwegian crew sailed close to the Ice front. Larsen A, Larsen B, and Larsen C are three distinct segments of the Larsen Ice Shelf. Originally, the ice shelf roughly spanned a bigger region, however because of factors including climate change the area it covered has been narrowed.
At the beginning of the movie our hero Prof. Jack Hall and his colleagues are foundon the Larsen B Ice Shelf in Antarctica doing what?
a.Studying the migration patterns ofpenguins
b.Collecting rocks
c.Drilling ice cores
d.Measuring the ocean temperaturesbeneath the ice
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Please answer fast
1. Complete the following sentences using words from the lesson.
a. ___________________ are steep-sided volcanoes that erupt a variety of lavas that are stiff or pasty and do not flow easily.
b. There are four major groups of lava rocks: ___________________, ________________________, _____________________, ____________________.
c. Volcanoes have a ___________________ at the summit formed around a vent through which lava steam, ashes, etc. are expelled.
Answer:
a. stratovolcano
b. Basalt, andesite, dacite, rhyolite
c. caldera
Make a mnemonic sentence to remember the layers of the atmosphere.
A mnemonic sentence to remember the layers of the atmosphere is The Smart Man Takes the Elevator(T – Troposphere, S – Stratosphere, M- Mesosphere, T- Thermosphere, E- Exosphere).
What is atmosphere?An atmosphere contains the air that we breathe and is a blanket of gases that surrounds Earth. It is held near the surface of the planet by Earth’s gravitational attraction.
A barometer is used to measure air pressure. Argon, oxygen and nitrogen from the three main constitutions of the atmosphere.
Atmosphere is a protective layer of gases that shelters all life on Earth, keeping temperatures within a relatively small range and blocking out harmful rays of sunlight.”
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Please answer fast
1. Identify and describe the different properties of minerals.
2. Explain why synthetic minerals are not minerals.
3. What is a mineralogist?
4. Why is limestone not a mineral?
what are some cultural characteristics of Chinatown in San Francisco CA
Answer:
Oxford Dictionaries defines "Chinatown" as "... a district of any non-Asian town, especially a city or seaport, in which the population is predominantly of Chinese origin". However, some Chinatowns may have little to do with China.
How might rain shape the political landscape of the future?
scientists claim that south america was part of a large landmass called gondwana, which included antarctica and australia. which law or theory supports the claim?
The continental drift law
Continental drift law
One of the earliest hypotheses put forth by geologists for how continents might move over time is called continental drift. The theory of continental drift has now been replaced by the science of plate tectonics. The scientist Alfred Wegener is most closely associated with the concept of continental drift. Wegener wrote a paper outlining his theory that the continents were "drifting" across the Earth, occasionally crashing through oceans and into one another, in the early 20th century.
Around 200 million years ago, Gondwanaland, a massive continent that included Antarctica, South America, Africa, India, and Australia, was formed. Trees and large animals flourished, and there was no ice sheet.
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desalinization plants are becoming more common in places which have experienced —
Desalinization plants are becoming more common in places which have experienced drought.
What is drought?
A drought is characterized by drier than usual weather. A drought, then, is "a moisture deficit compared to the average water availability at a specific area and season," according to this definition. Days, months, or even years may pass between droughts. The ecosystems and agriculture of afflicted areas are frequently severely impacted by drought, which also has a negative influence on the local economy. The likelihood of a drought and consequent wildfires are considerably increased during the annual dry seasons in the tropics. Heat waves can make drought conditions much worse by accelerating the evaporation of water vapour.
Most regions of the world often experience drought, which is growing more extreme and unpredictable as a result of climate change, which dendrochronological studies trace back to 1900. Environmental, economic, and social repercussions are the three different types of drought effects.
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Quick, please, who operated the Underground Railroad?
Answer:
Harriet Tubman
Explanation:
which important city in the southeast asian realm is located close to the vitally important strait of malacca?
Hong Kong is an important city in the southeast Asian realm is located close to the vitally important strait of malacca.
Southeast Asia, also spelled South East Asia and South-East Asia, and also called Southeastern Asia, South-japanese Asia or SEA, is the geographical south-eastern vicinity of Asia, together with the regions which might be located south of mainland China, east of the Indian subcontinent, and north-west of mainland Australia.[5] Southeast Asia is bordered to the north by using East Asia, to the west with the aid of South Asia and the Bay of Bengal, to the east with the aid of Oceania and the Pacific Ocean, and to the south by Australia and the Indian Ocean.
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the mechanism by which rocks store and eventually release energy in the form of an earthquake is called group of answer choices stress fracture fault displacement seismic rebound elastic rebound
Elastic rebound is the process by which rocks store energy that eventually releases as an earthquake.
The incidence of earthquakes is explained by the elastic-rebound theory. Earthquakes are produced when bending rocks fail and release their stored stress energy. In geology, the study of how energy is released following an earthquake is known as elastic-rebound theory. Along the fault line, the crust ruptures; the quick motion releases the built-up energy, and the rocks almost immediately return to their previous shape. Elastic rebound is the ability of the deformed rock to restore its original shape in a new position as a result of the slide along a fault (i.e., earthquake). Elastic rebound describes the process by which a rock that has been deformed by an earthquake's sliding along a fault can return to its former shape.
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what happens to the sun as it transitions between a main sequence star and a white dwarf?
When the sun as it transitions between a main sequence star and a white dwarf helium atoms are created through the fusion of hydrogen atoms in the cores of main sequence stars. The bulk of stars in the cosmos, or 90% of all stars, are main sequence stars, of which the sun is one.
Transition between Sun is what?These stars may be merely a tenth as massive as the sun or up to 200 times as massive.
Stars are born as clouds of gas and dust. By way of gravity, these clouds have come together. A tiny protostar is powered by the falling material. Finding protostars can be challenging, because they usually develop in dense gas clouds.
"Nature doesn't make stars in alone," according to Mark Morris of the University of California, Los Angeles (UCLS), was declared in a statement (opens in new tab). " They are produced in groups from natal clouds that collapse.
As a result, hydrogen and helium atoms are fused in the cores of main sequence stars. The bulk of stars in the cosmos, or 90% of all stars, are main sequence stars, of which the sun is one.
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On the world map above which hemisphere is highlighted
Answer:
The right
Explanation:
yes
which factor raises bmr? skipping breakfast sedentary lifestyle sleeping cold weather aging all the above
Aging factor raises BMR.
Age is one of the most important factor of changes in energy metabolism. The basal metabolic rate decreases almost linearly with age. Skeletal musculature is a fundamental organ that consumes the largest part of energy in the normal human body.
Elements that increase our BMR include: having a higher muscle-to-body fat ratio, being male, being pregnant, growing kids, strain, and having a fever.
Environmental temperatures and thyroid hormones additionally affect metabolism.
Elements including age, weight loss program, climate, race and menstruation exert a great impact at the basal metabolism of the normal human situation.
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why does the earth have seasons, 3-5 sentences
Answer:
The earth has seasons because of its tilted axis. The earth's axis is tilted by about 23.5 degrees relative to its orbit around the sun. This means that different parts of the earth receive different amounts of sunlight at different times of the year. When the earth's North Pole is tilted towards the sun, the Northern Hemisphere experiences summer, while the Southern Hemisphere experiences winter. When the earth's North Pole is tilted away from the sun, the Northern Hemisphere experiences winter, while the Southern Hemisphere experiences summer. The changing angle of the earth's axis relative to the sun causes the seasons to change throughout the year.
Answer:
The main reason we have seasons is because the Earth is tilted on its axis. The hemisphere that is tilted towards the sun receives the most sunlight as the Earth revolves around the sun.
Explanation:
describe the major intraregional and interregional migration patterns within the united states in recent years.
Immigration slowed between the 1920s and the 1960s. During the Great Depression of the 1930s, there was little immigration, and in certain years, more individuals left the country than came. Following World War II, migration rose. Mexico overtakes other countries as the main supplier of immigration to the US in the 1980s.
Up until 2010, almost 75 million individuals immigrated to the US. The most significant intraregional and interregional movement trend in the US is labour migration due to immigration. Nearly 164 million workers moved around the world in 2017.
The nationwide pattern of high in-migration rates was evident in 2020–21, with the Midwest, Northeast, and South being notably affected.
What are intra-regional and inter-regional migration?Interregional migration is the movement of people from one region of a country to another, whereas intraregional migration is the movement of people inside the same region of a country. Furthermore, compared to intraregional migration, interregional migration is a substantially larger transfer.
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