Explanation:
the silver salts are prepared by adding sodium bromide to solution of silver nitrate the sensitive surface of ordinary film is a layer of gelatin cl carrying silver bromide castles explore to light in a camera produces and invisible change
What is differential heating? evaluate the requirement that differential heating must take place before wind will blow. do any winds exist without differential heating?
The difference in warming refers to the change in the pattern of solar radiation received on the surface of the earth. We know that tropical latitudes receive more solar radiation than higher latitudes and poles. Therefore, this fluctuating solar radiation leads to different warming of the Earth's surface in different places.
Because the surface heating method is different, the air heating method is also different upwards. The higher the temperature, the lower the pressure, and the lower the temperature, the higher the pressure, resulting in a difference in air pressure. Therefore, the wind flows from high pressure to low pressure. Basically, it is the warming of different surfaces that causes the wind.
If there is no difference in surface heating such as water, land, low latitude, or high latitude, there is no pressure difference. Therefore, the wind has no gradient or flow. Therefore, without differential heating, there can be no wind.
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Tidal wave hypothesis
Answer:
It claims that a large tidal wave that was generated on the sun by a passing star was pushed into a long material and severed from the main core. A variations on the planetary system concept is the tidal theory, which was put forth by James Jeans and Harold Jeffreys in 1918.
Explanation:
uilding and farming on a flood plain decreases the land's ability to absorb flood waters. True False
Answer:
True
Explanation:
If it's on a flood plain and is most likely already going to receive an influx of water but when it floods it could be too much water for the plants that it can either cause the crops to die or turn into a marsh area where building and farming would be almost impossible to keep up with.
Mass wasting, a process that often occurs between weathering and erosion, involves ________.
Explanation:
It involves the movement of rock or soil down a slope primarily by gravity.
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Which has a lengthy history for being
a sea-faring nation.
A. Belgium
B. Luxembourg
C. The Netherlands
Answer: C Netherlands
Explanation:
The Netherlands international focus and outward orientation originate in a long and distinguished maritime history. The Netherlands has been a seafaring nation for over five centuries
During World War II Harry Hess discovered
A. earthquakes
B. trenches
C. volcanoes
D. igneous rocks
on the seafloor; evidence of seafloor spreading.
Which of the following landforms are labeled incorrectly?
Number 1 – the Pontic Mountains
Number 2 – the Taurus Mountains
Number 3 – the Anatolian Plateau
Number 4 – the Negev Desert
A. number 1 only
B. number 4 only
C. numbers 2 and 3 only
D. all are labeled incorrectly
Answer:
C
Explanation:
number 2 and 3 only are incorrect
In 2009, what occurred with U.S. trade and its trade deficit? Why do you think
this may have happened?
Answer:
AFTER years of being told by Asians and Europeans that it had to find a way to reduce its trade deficit, the United States did find a way in 2009. A global recession did the trick, producing the largest decline ever in the deficit.
Explanation:
Thats all i know :)
As of 2013, 9 of the 10 warmest years on record were during the 21st century. Only one 20th century year, _____, was among the 10 warmest.
As of 2013, 9 of the 10 warmest years on record were during the 21st century. Only one 20th century year, 1998 was among the 10 warmest.
How did the temperature of the earth's surface vary between 1900 and 2000?The average surface temperature of the Earth has risen by around 1.0° F over the past century. All eleven of this century's warmest years have happened since 1980, with 1998 being the warmest year ever recorded. Compared to the equatorial regions, higher latitudes have warmed more.
Since the late 1800s, the average surface temperature of the Earth has risen by around 1.8°F (1.0°C).
After 1880, the ten warmest years have all occurred since 1998, and all but one have done so since 2005.
The Earth's surface absorbs sunlight from the sun as it travels through the atmosphere, warming it. The atmosphere then receives this energy again. The atmosphere's greenhouse gases, such as carbon dioxide and methane, operate as a blanket to collect this energy and keep it from escaping into space. Without the greenhouse effect, the average temperature at the Earth's surface would be 0 degrees Fahrenheit, which is about 60 degrees Fahrenheit lower than the present average. As a result, the greenhouse effect is crucial to the continuation of life on Earth. But when greenhouse gas concentrations rise due to human activity, the earth is becoming warmer and this has an influence on ecosystems and our way of life.
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A glacier that had not changed its size or shape for a long time is now getting shorter. What does this tell you
Answer:
A glacier that had not changed its size or shape for a long time is now getting shorter. What does this tell you? Snowfall has decreased, or melting has increased, or both. it might be helpfulGlacier changing its size tells us that either melting has increased due to rise in temperature, or snowfall has reduced, or both.
Why glaciers are melting?
Many glaciers have been melting at an increasing rate since the early 1900s throughout the world. This phenomenon is primarily the result of human activity. Near particular, since the industrial revolution, emissions of greenhouse gases such as carbon dioxide have increased temperatures, even more in the poles, and as a result, glaciers are rapidly melting, calving off into the sea, and retreating on land.
Why snowfall is reducing?
More water evaporates from the land and oceans as a result of warmer temperatures, which increases precipitation, storm size, and precipitation variability in some regions. Generally speaking, a warmer temperatures results in more of this precipitation falling as rain rather than snow.
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26. To get more detailed information about the current and predicted effects of the hurricane for your local area, you should
Write resources for human survival information.
Answer:
shelterFirefoodclothesSweet GirlWhat is Relative Dating?
A. None of these
B. The science of determining the order of events in relation to each other, without a specific date.
C. The science of determining how long ago a specific ancestor lived.
D. The science of using radioactive isotopes to determine the specific age of a sample.
Answer:
B. The science of determining the order of events in relation to each other, without a specific date.
Explanation:
you can look it up on the Wikipedia and you see something similar to B.
A tornado watch is issued by the National Weather Service after a tornado has been sighted in an area. True False
Answer:
False
Explanation:
A tornado watch is issued when the conditions are ideal for a tornado to form and covers a broad region. Tornado warnings are when a tornado has been spotted or appears on the radar.
The density of ocean water _______ when temperature increases and _________ when salinity decreases.
The density of ocean water decreases when temperature increases and decreases when salinity decreases.
What is density?It should be noted that density is the mass of the unit volume of a material substance.
In this case, the density of ocean water decreases when temperature increases and decreases when salinity decreases.
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When we compare the catastrophic eruption in Sumatra 71,000 years ago and the 1991 eruption of Mt. Pinatubo, we find that __________. View Available Hint(s)for Part B When we compare the catastrophic eruption in Sumatra 71,000 years ago and the 1991 eruption of Mt. Pinatubo, we find that __________. they had opposite effects: the Sumatra eruption increased acid rain and the 1991 eruption decreased acid rain both eruptions caused a drop in the average temperatures across the Earth they had opposite effects: the Sumatra eruption caused cooling and the 1991 eruption increased average global temperatures the Sumatra eruption had a global effect, but the 1991 eruption only affected a small portion of the Earth
When comparing the catastrophic eruption in Sumatra 71,000 years ago and the 1991 eruption of Mt. Pinatubo, we find that "both eruptions caused a drop in the average temperatures across the Earth".
What is catastrophic eruption in Sumatra and in Mt. Pinatubo?The most recent Toba eruption was a supervolcano eruption that took place at the location of the present-day Lake Toba in Sumatra, Indonesia, some 71,000 years ago.
Reason for Toba eruption is-
The greatest known volcanic explosion on Earth in the last two million years, the Toba volcano eruption, produced a steep-walled crater that eventually became the source of the ancient lake. Supervolcanic eruptions are exceedingly unusual and massive eruptions like this one.On June 15, 1991, Mount Pinatubo in the Philippines saw the second-biggest volcanic explosion of this century and by far the largest eruption to affect a highly populated area. The eruption caused massive mudflows, high-speed avalanches of hot ash and gas, and a hundreds-mile-wide cloud of volcanic ash.
Reason for Mount Pinatubo eruption is-
More than 32 km (20 mi) of magma beneath Mount Pinatubo was surging toward the surface, causing tiny volcano tectonic earthquakes and massive steam explosions that blew three holes in the volcano's north slope.To know more about supervolcano eruption, here
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How has the natural environment impacted the development of the ancient river valley civilization
Impacts of the natural environment on the ancient river valley civilization are given below.
What is river valley civilization?A river valley civilization is an agricultural nation or civilization that is located alongside a river and draws its subsistence from it. A "civilization" is defined as a society having substantial permanent settlements, social stratification, labor specialization, centralized organization, and written or other formal forms of communication. A river provides residents with a dependable source of water for drinking and cultivation.Impacts of the natural environment on the ancient river valley civilization:Rivers were appealing to the ancient civilizations because they supplied a consistent source of drinking water and made the land conducive for crop cultivation. Furthermore, commodities and people could be easily transported, and the inhabitants of these civilizations could fish and hunt the animals that came to drink water.The Indus Valley was fruitful, flooding was regular and predictable, and there was plenty of land in general. This resulted in the creation of peaceful people who were able to establish spectacular cities with enormous structures and sewage systems without having to battle for resources.Therefore, the impacts of the natural environment on the ancient river valley civilization are shown.
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List five importance of weather
This map shows the amount of groundwater (GW) in parts of Pakistan. Farmers in Pakistan once relied on rivers and canals for their water
supply, but as cities expanded and populations grew, more farmers used groundwater for their crops. When this map was made, there were no
laws restricting how many wells could be built in Pakistan to remove groundwater.
What would be the best solution to help Pakistan conserve their water supply?
eserved.
OA. Increase the number of groundwater wells in all three regions.
OB.
Build more wells in region 3, and restrict building in all other regions.
OC. Pass laws restricting well building in region 1, but increase wells in regions 2 and 3.
OD. Pass laws restricting all wells, with the fewest restrictions in Region 1.
IN
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The best thing that Pakistan can do to conserve its groundwater is to D. Pass laws restricting all wells, with the fewest restrictions in Region 1.
How should Pakistan conserve groundwater?Restricting the construction of wells would ease the demand on the usage of groundwater.
All regions should therefore have these restrictions. As region 1 has the highest quantity of groundwater however, they can be subject to less restrictions because they can afford to use more water.
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Answer:
D.
Pass laws restricting all wells, with the fewest restrictions in Region 1.
Which volcanic hazard is most likely to cause destruction in towns located 30-60 kilometers away from a Cascade Range (very explosive) volcano
Lahars volcanic hazard is most likely to cause destruction in towns located 30-60 kilometers away from a Cascade Range volcano.
Lahar comes from Indonesian word which describe a mudflow or debris flow that originates on the slopes of a volcano. Small debris flows known to be very common within the Cascades, where they form in the times of heavy rainfall, rapid snow melt, and by shallow land sliding. These relatively small debris flows infrequently give way some miles down valleys. Inside the Cascades, the word lahar is normally reserved for larger events that occur in addition with volcanic eruptions, and travel many miles down valleys and affects the local communities. Lahars may occur by rapid melting of snow and ice during eruptions, by liquefaction of giant landslides (also called debris avalanches), by breakout floods from crater lakes, and by erosion from fresh volcanic ash deposits during heavy rains. Amid and immediately following volcanic eruptions, lahars can demeanor the foremost severe hazard to more populated valleys downstream from Cascades volcanoes.
So, the lahars volcanic hazard can cause destruction in towns located 30-60 kilometers away from a Cascade Range volcano.
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life of misissipi Which sentence best states the central idea of the passage? \
Answer:
c
Explanation:
on e2020
What is the primary reason why mountains substantially taller than Mt. Everest are unlikely to arise on Earth
One of the main reasons for the fact that is very unlikely for mountains to rise taller than the Mount Everest on Earth is because, mountains give way under their own weight because of the high geothermal gradient in the crust.
The geothermal gradient, which is unchanged from the paleo-geothermal gradient, is the rate of increase in temperature per unit depth in the Earth's interior caused by the core heat flow.In much of the world, it is approximately 25 °C every mile of depth (1 °F per 70 feet of depth) outside of tectonic plate borders.At oceanic spreading centers (mid-ocean ridges) or island arcs where magma is near to the surface, the largest gradients—40–80 K km1—are measured. The subduction zones, where cold lithosphere sinks into the mantle, have the lowest gradients. Old stable continental crust has a gradient of 20–30 K km1.From the above, it is clear why mountains taller than the Mount Everest, are unlikely to arise on Earth.
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What is the name of the super continent that was formed during the collision of the North American plate and the African plate
Answer:
Pangea is the name of the supercontinent
Match the city in column one to its description in column two
Answer:
Beijing to 'The cultural center of China; 2008 Olympics will be held here.'
Shanghai to 'The largest city; major economic and financial center; terrible pollution.'
Guangzhou to 'Third largest city; a port city and manufacturing center.'
Hong Kong to 'Capitalist economy; operates somewhat independently from China.'
Explanation:
These answers should be correct.
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A/An ____________________ is an abnormally raised or thickened scar that expands beyond the boundaries of the incision.
Answer:
A KELOID IS AN ABNORMALLY RAISED OR THICKENED SCAR THAT EXPANDS BEYOND THE BOUNDARIES OF THE INCISION.
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Which weather-related phenomenon resulted in the most fatalities during the 30-year interval between 1977 and 2006
Answer:
floods
Explanation:
Which heart rate zones are generally anaerobic in nature? Zones 1 and 2 Zones 4 and 5 Zones 2 and 3 Zones 3 and 4
The heart rate zones that are generally anaerobic in nature is : ( B ) Zones 4 and 5
ZONES 4 and 5Exercises carried out in these heart rate zones ( 80-100% of MHR ) are considered anaerobic in nature as the body because at this stage, The human body does not use oxygen as its source of energy/fuel, but uses the glucose stored in the muscles of the performer as a source of energy.
These heart rate zones can be attained by professional athletes.
Hence we can conclude that The heart rate zones that are generally anaerobic in nature is : ( B ) Zones 4 and 5
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About 140,000 Japanese died in this Japanese city when Americans dropped an atomic bomb at the end of the world war 2
The city that saw the deaths of around 140,000 Japanese people when Americans dropped an atomic bomb was A. Hiroshima.
How many people died in Hiroshima?When the U.S. dropped the atomic bomb on Hiroshima to bring an end to WWII, about 140,000 Japanese people died.
Those who survived had to deal with radiation-influenced conditions for the rest of their lives.
Options for this question include:
A. Hiroshima.
B. Nagasaki.
C. Osaka.
D. Tokyo.
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"Oxygen and silicon to form the basis for __________, the most common and abundant rock-forming minerals"
Oxygen and silicon form the basis for silicates, the most common and abundant rock-forming minerals".
What are minerals?Minerals are referred to as substances that occur naturally and remain inorganic in nature.This is a compound with a recognizable chemical composition, crystal structure, and physical characteristics.
The formation of silicates is done with the help of melted rocks cooling and crystallizing. Silicon dioxide is a chemical substance known as silica. It develops when silicon is in contact with oxygen.
This includes Minerals like quartz, feldspar, olivine, and a wide range of clay minerals are among them.
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What set of reflections would carry parallelogram ABCD onto itself? (6 points) Parallelogram ABCD is shown. A is at negative 1, negative 2. B is at negative 2, negative 1. C is at negative 4, negative 1. D is at negative 3, negative 2. x-axis, y=x, x-axis, y=x y=x, x-axis, y=x, y-axis y-axis, x-axis, y-axis x-axis, y-axis, y-axis
The option that is a set of reflections that would also carry parallelogram ABCD onto itself is y=x, x-axis, y=x, y-axis.
What is the reflection about?Reflection is known to be the alteration in direction of a wave front and this is one that occurs at an interface that exist between two kinds of media making the wave front is said to be sent back into the medium where it was obtained.
Note that the The vertices of parallelogram ABCD are A(-1,-2), B(-2,-1), C(-4,-1), D(-3,-2) and when you look at the image, only option 2 of y=x, x-axis, y=x, y-axis fits into the values given.
For example if (-4, 1): Reflect across y-axis: (4, 1) Reflect across x-axis: (4, -1) Reflect across y-axis: (-4, -1) Reflect across x-axis: (-4, 1) note that it brings one back to (-4, 1).
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