The Atmosphere And Climate Change
- 1.
What is the atmospheric layer closest to the ground?
- A.
Mesosphere
- B.
Troposphere
- C.
Thermosphere
- D.
Stratosphere
Correct Answer
B. TropospHereExplanation
The troposphere is the atmospheric layer closest to the ground. It is the lowest layer of the Earth's atmosphere and extends from the surface up to about 8-15 kilometers above sea level. This layer is where weather occurs and where most of the Earth's air mass is found. It is also where humans and other living organisms reside, making it the most important layer for life on Earth. The other layers mentioned in the options (mesosphere, thermosphere, and stratosphere) are located above the troposphere.Rate this question:
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- 2.
What layer of the atmosphere has the aurora borealis in it?
- A.
Stratosphere
- B.
Mesosphere
- C.
Troposphere
- D.
Thermosphere
Correct Answer
D. ThermospHereExplanation
The aurora borealis, also known as the Northern Lights, occurs in the thermosphere. This is because the thermosphere is the layer of the atmosphere that is closest to outer space and is where solar particles from the Sun collide with gas molecules. These collisions create the colorful light displays that are characteristic of the aurora borealis.Rate this question:
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- 3.
What layer has the ozone layer in it?
- A.
Mesosphere
- B.
Troposphere
- C.
Thermosphere
- D.
Stratosphere
Correct Answer
D. StratospHereExplanation
The ozone layer is located in the stratosphere. The stratosphere is the second layer of the Earth's atmosphere, located above the troposphere and below the mesosphere. It is characterized by the presence of a high concentration of ozone molecules, which absorb and block a significant amount of the sun's harmful ultraviolet radiation. This layer plays a crucial role in protecting life on Earth by preventing excessive UV radiation from reaching the surface.Rate this question:
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- 4.
What is the coldest layer in the atmosphere?
- A.
Troposphere
- B.
Thermosphere
- C.
Stratosphere
- D.
Mesosphere
Correct Answer
D. MesospHereExplanation
The mesosphere is the coldest layer in the atmosphere. It is located above the stratosphere and below the thermosphere. The temperature in the mesosphere decreases with height, reaching extremely low temperatures. This is due to the decreasing density of air molecules and the absence of solar heating. The mesosphere is also where meteors burn up upon entering the Earth's atmosphere.Rate this question:
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- 5.
What is the most common gas in the atmosphere?
- A.
Oxygen
- B.
Carbon dioxide
- C.
Nitrogen
- D.
Methane
Correct Answer
C. NitrogenExplanation
Nitrogen is the most common gas in the atmosphere. It makes up about 78% of the Earth's atmosphere. Oxygen is also present in the atmosphere but in lower amounts, around 21%. Carbon dioxide and methane are greenhouse gases that are present in much smaller quantities compared to nitrogen and oxygen.Rate this question:
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- 6.
What gas makes up around 21% of our atmosphere?
- A.
Methane
- B.
Oxygen
- C.
Nitrogen
- D.
Carbon dioxide
Correct Answer
B. OxygenExplanation
Oxygen makes up around 21% of our atmosphere. It is essential for the survival of most living organisms as it is used in the process of respiration. Oxygen is also important for the combustion of fuels and is necessary for the ozone layer formation in the Earth's atmosphere.Rate this question:
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- 7.
What happens to temperature as you go higher in the troposphere?
- A.
It gets hotter
- B.
It gets colder
- C.
It stays the same
- D.
It is always changing
Correct Answer
B. It gets colderExplanation
As you go higher in the troposphere, the temperature decreases. This is because the troposphere is the lowest layer of the Earth's atmosphere and is in direct contact with the Earth's surface. The surface of the Earth receives heat from the Sun and warms the air in the troposphere through conduction. However, as you move higher, the air becomes less dense and there is less contact with the warm surface. Additionally, the atmosphere becomes thinner, causing less absorption of solar radiation. These factors contribute to the decrease in temperature with increasing altitude in the troposphere.Rate this question:
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- 8.
Which of the following is an example of heat transfer by radiation?
- A.
A pan sitting on a hot burner
- B.
The Sun heating the Earth
- C.
Hot air lifting a balloon off the ground
- D.
None of the above
Correct Answer
B. The Sun heating the EarthExplanation
The Sun heating the Earth is an example of heat transfer by radiation because it involves the transfer of heat energy through electromagnetic waves. In this case, the Sun emits radiation in the form of infrared rays, which travel through space and reach the Earth. The Earth then absorbs this radiation and gets heated up. This process does not require any direct contact or medium for the heat transfer to occur.Rate this question:
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- 9.
Which of the following is an example of heat transfer by conduction?
- A.
A pan sitting on a hot burner
- B.
The Sun heating the Earth
- C.
Hot air lifting a balloon off the ground
- D.
None of the above
Correct Answer
A. A pan sitting on a hot burnerExplanation
Heat transfer by conduction occurs when heat is transferred through direct contact between two objects or substances. In the given options, the only example that involves direct contact is "A pan sitting on a hot burner." When the pan comes into contact with the hot burner, heat is transferred from the burner to the pan through conduction. This is because the molecules in the pan vibrate and collide with neighboring molecules, transferring the heat energy. Therefore, the correct answer is a pan sitting on a hot burner.Rate this question:
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- 10.
Which of the following is an example of heat transfer by convection?
- A.
A pan sitting on a hot burner
- B.
The Sun heating the Earth
- C.
Hot air lifting a balloon off the ground
- D.
None of the above
Correct Answer
C. Hot air lifting a balloon off the groundExplanation
Hot air lifting a balloon off the ground is an example of heat transfer by convection. Convection is the process of heat transfer through the movement of a fluid, such as a gas or a liquid. In this case, the hot air rises due to its lower density compared to the surrounding cooler air. As the hot air rises, it carries heat energy with it, causing the balloon to lift off the ground. This is a classic example of convection, where heat is transferred through the movement of a fluid.Rate this question:
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- 11.
Why is the ozone layer beneficial to humans?
- A.
It gets rid of harmful gases like carbon dioxide.
- B.
It provides a form of oxygen with three atoms that helps us breathe better.
- C.
It increases the greenhouse effect so we can grow plants.
- D.
It filters out incoming ultraviolet radiation.
Correct Answer
D. It filters out incoming ultraviolet radiation.Explanation
The ozone layer is beneficial to humans because it filters out incoming ultraviolet radiation. Ultraviolet radiation from the sun can be harmful to humans, causing sunburn, skin cancer, and other health issues. The ozone layer acts as a protective shield, absorbing and blocking a significant amount of these harmful rays, thus reducing the risk of these negative effects on human health.Rate this question:
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- 12.
The process by which the atmosphere traps heat is called what?
- A.
The greenhouse effect
- B.
Conduction
- C.
The Coriolis Effect
- D.
Convection
Correct Answer
A. The greenhouse effectExplanation
The greenhouse effect refers to the process in which certain gases in the Earth's atmosphere trap heat from the sun, preventing it from escaping back into space. This phenomenon is essential for maintaining a habitable temperature on Earth, as it helps to keep the planet warm enough to support life. The greenhouse gases, such as carbon dioxide and methane, act like a blanket around the Earth, allowing sunlight to enter but trapping the heat that is radiated back from the Earth's surface. This process is responsible for the Earth's overall temperature and climate patterns.Rate this question:
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- 13.
Which of the following statements is true regarding warm and cool air?
- A.
Warm air is more dense than cool air, so it rises.
- B.
Cool air is less dense than warm air, so it rises.
- C.
Warm air is less dense than cool air, so it sinks.
- D.
Cool air is more dense than warm air, so it sinks.
Correct Answer
D. Cool air is more dense than warm air, so it sinks.Explanation
Cool air is more dense than warm air, so it sinks. This is because when air is heated, its molecules move faster and spread out, causing the air to become less dense. On the other hand, when air is cooled, its molecules slow down and come closer together, making the air more dense. As a result, cool air tends to sink while warm air rises.Rate this question:
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- 14.
The condition of the Earth's atmosphere at a particular time and place is known as _____________________.
- A.
Weather
- B.
Atmosphere
- C.
Water vapor
Correct Answer
A. WeatherExplanation
The condition of the Earth's atmosphere at a particular time and place is known as weather. This includes factors such as temperature, humidity, precipitation, wind speed, and atmospheric pressure. The term "weather" is used to describe the current state of the atmosphere and its variations from day to day. It is different from the overall composition and structure of the atmosphere, which is referred to as the atmosphere itself.Rate this question:
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- 15.
Which of the following is made up of three molecules of oxygen?
- A.
Ozone
- B.
Nitogen oxide
- C.
Sulfuric acid
Correct Answer
A. OzoneExplanation
Ozone is made up of three molecules of oxygen. It is a molecule composed of three oxygen atoms bonded together. Ozone is formed in the Earth's atmosphere when oxygen molecules are split apart by ultraviolet radiation, allowing the individual oxygen atoms to combine with other oxygen molecules and form ozone. Ozone is important in the atmosphere as it absorbs the majority of the Sun's ultraviolet radiation, protecting life on Earth from harmful UV rays.Rate this question:
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- 16.
As altitude increases, density decreases
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
As altitude increases, the air pressure decreases, which in turn leads to a decrease in air density. This is because the higher we go in the atmosphere, the fewer air molecules there are above us, resulting in a lower density of air. Therefore, the statement "As altitude increases, density decreases" is true.Rate this question:
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- 17.
How does radiation travel through space?
- A.
Energy travels in a straight line.
- B.
Energy travels in a zig zag line.
- C.
Energy travels as waves.
Correct Answer
C. Energy travels as waves.Explanation
Radiation, including electromagnetic waves such as light and heat, travels through space as waves. These waves can vary in frequency and wavelength, leading to different forms of radiation such as radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays. These waves do not require a medium to propagate and can travel through the vacuum of space.Rate this question:
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- 18.
Which of the following best describes the greenhouse effect ?
- A.
The warming of the earth's surface and lower atmosphere occurs when carbon dioxide, methane, water vapor and other greenhouse gases absorb and reradiate infrared radiation.
- B.
The warming of the earth's surface and lower atmosphere of Earth occur when oxygen and nitrogen absorb and reradiate reradiate infrared radiation.
- C.
None of the above.
Correct Answer
A. The warming of the earth's surface and lower atmospHere occurs when carbon dioxide, methane, water vapor and other greenhouse gases absorb and reradiate infrared radiation.Explanation
The correct answer is the warming of the earth's surface and lower atmosphere occurs when carbon dioxide, methane, water vapor and other greenhouse gases absorb and reradiate infrared radiation. This explanation accurately describes the greenhouse effect by stating that the warming of the earth's surface and lower atmosphere is caused by greenhouse gases absorbing and reradiating infrared radiation. These gases act like a "greenhouse" by trapping heat and preventing it from escaping into space, leading to an increase in global temperatures.Rate this question:
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- 19.
Which of the following are not a greenhouse gases?
- A.
Carbon dioxide and water vapor.
- B.
Methane and nitrous oxide.
- C.
Nitrogen and oxygen.
Correct Answer
C. Nitrogen and oxygen.Explanation
Nitrogen and oxygen are not greenhouse gases because they do not possess the ability to trap heat in the Earth's atmosphere. Greenhouse gases, such as carbon dioxide and water vapor, have the capacity to absorb and emit infrared radiation, leading to the greenhouse effect and an increase in global temperatures. Methane and nitrous oxide are also greenhouse gases as they contribute to the trapping of heat.Rate this question:
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- 20.
Venus has an atmosphere made up of 97% carbon dioxide. What type of temperatures would you expect to find in Venus?
- A.
Extremely Low temperatures.
- B.
Extremely High temperatures.
- C.
Average, livable temperatures.
Correct Answer
B. Extremely High temperatures.Explanation
Venus has an atmosphere composed mostly of carbon dioxide, which creates a strong greenhouse effect. This means that the heat from the sun is trapped in Venus' atmosphere, leading to extremely high temperatures on the planet's surface. Therefore, it is expected to find extremely high temperatures on Venus.Rate this question:
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- 21.
What would be the result of deforestation?
- A.
An increase in carbon dioxide.
- B.
A decrease in carbon dioxide.
- C.
No effect
Correct Answer
A. An increase in carbon dioxide.Explanation
Deforestation refers to the clearing or removal of trees and vegetation from an area. Trees play a crucial role in absorbing carbon dioxide and releasing oxygen through the process of photosynthesis. Therefore, when deforestation occurs, there is a significant reduction in the number of trees available to absorb carbon dioxide, leading to an increase in its concentration in the atmosphere. This increase in carbon dioxide contributes to the greenhouse effect and climate change. Hence, the result of deforestation would be an increase in carbon dioxide.Rate this question:
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- 22.
What happens to the temperature as pressure increases?
- A.
As pressure increases, temperature increases
- B.
As pressure increases, temperature decreases
- C.
As pressure increases there is no change in temperature
Correct Answer
A. As pressure increases, temperature increasesExplanation
As pressure increases, the gas molecules are compressed and their kinetic energy increases. This increase in kinetic energy leads to an increase in temperature. Therefore, as pressure increases, temperature also increases.Rate this question:
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- 23.
Air in the ________ is warmed by heat from the Earth's surface.
- A.
Troposhere
- B.
Exosphere
- C.
Stratoshere
- D.
Thermosphere
Correct Answer
A. TroposhereExplanation
The correct answer is troposphere. The troposphere is the lowest layer of Earth's atmosphere, and it is where weather occurs. It is closest to the Earth's surface and is heated by the heat radiating from the Earth's surface. This heating creates convection currents and causes the air in the troposphere to become warm.Rate this question:
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- 24.
_________ is the transfer of heat by the flow of a heated material.
- A.
Radiation
- B.
Conduction
- C.
Convection
- D.
Absorption
Correct Answer
C. ConvectionExplanation
Convection is the transfer of heat by the flow of a heated material. This process occurs when a fluid, such as air or water, is heated and expands, becoming less dense and rising. As it rises, it carries heat energy with it. Conversely, when the fluid cools, it becomes denser and sinks, transferring heat energy to its surroundings. This movement of heated material allows for the transfer of heat from one place to another.Rate this question:
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- 25.
The Greenhouse Effect is a natural process which allows Earth's atmosphere to trap heat and keep the Earth's temperature at a habitable level. This occurs because greenhouse gases in the atmosphere prevent infrared radiation from escaping the atmosphere, producing a global warming effect. Greenhouse gases in the atmosphere include: (choose all that apply)
- A.
Water Vapor
- B.
Carbon Dioxide
- C.
Methane
- D.
Oxygen
- E.
Argon
- F.
Nitrous Oxide
Correct Answer(s)
A. Water Vapor
B. Carbon Dioxide
C. Methane
F. Nitrous OxideExplanation
The Greenhouse Effect is a natural process that occurs when greenhouse gases in the atmosphere, such as water vapor, carbon dioxide, methane, and nitrous oxide, trap heat and prevent it from escaping into space. These gases absorb and re-emit infrared radiation, causing a warming effect on the Earth's surface. Oxygen and argon are not greenhouse gases and do not contribute significantly to the greenhouse effect.Rate this question:
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- 26.
The zone of LIFE on EARTH. This is defined as the sphere or area around the planet Earth where life exists.
- A.
Hydrosphere
- B.
Atmosphere
- C.
Lithosphere
- D.
Biosphere
Correct Answer
D. BiospHereExplanation
The biosphere refers to the zone of life on Earth, encompassing all living organisms and their interactions with the environment. It includes the hydrosphere (water bodies), atmosphere (air), and lithosphere (land), as these elements are essential for supporting life. The biosphere is where all ecosystems, such as forests, deserts, and oceans, exist and thrive. It is the interconnected web of life that sustains and regulates the planet's ecosystems and biodiversity.Rate this question:
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- 27.
During this period , the sea surface temperature across the equatorial Eastern Central Pacific Ocean will be higher than normal by 3–5 °C.
- A.
La Nina
- B.
El Nino
- C.
Global Warming
- D.
Hurricane
Correct Answer
B. El NinoExplanation
El Nino is the correct answer because it is a climate pattern characterized by warmer than average sea surface temperatures in the equatorial Eastern Central Pacific Ocean. This period is known as El Nino and it occurs when the sea surface temperature is higher than normal by 3-5 degrees Celsius. El Nino has significant impacts on weather patterns around the world, causing droughts, floods, and other extreme weather events.Rate this question:
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- 28.
When the greenhouse effect becomes stronger as increasingly more heat is being trapped on the Earth and consequently causing temperatures across the planet to rise we refer to the concept as. . . (choose all that apply)
- A.
Global Warming
- B.
Earth Heating
- C.
Climate Change
- D.
Greenhouse Heating
Correct Answer(s)
A. Global Warming
C. Climate ChangeExplanation
Global warming and climate change are both terms used to describe the phenomenon of increasing temperatures on Earth due to the greenhouse effect. As more heat is trapped in the atmosphere, temperatures rise, leading to global warming and changes in climate patterns. Earth heating and greenhouse heating are not commonly used terms to describe this concept.Rate this question:
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- 29.
The Intergovernmental Panel on Climate Change (made up of the world's top scientists and climatologists) met for the first time in 1988 to discuss the threat of climate change and find the cause. In 2001 they came to a conclusion, what did they decide?
- A.
Climate change is not a concern
- B.
Climate change is a natural process over which we have no control
- C.
Human activity is the primary cause for climate change
- D.
Consuming fossil fuels will make climate change go away
Correct Answer
C. Human activity is the primary cause for climate changeExplanation
The Intergovernmental Panel on Climate Change (IPCC) concluded that human activity is the primary cause for climate change. This means that activities such as burning fossil fuels, deforestation, and industrial processes release greenhouse gases into the atmosphere, leading to the warming of the planet. The IPCC's conclusion is based on extensive research and scientific evidence gathered by the world's top scientists and climatologists over many years. It highlights the need for global action to reduce greenhouse gas emissions and mitigate the impacts of climate change.Rate this question:
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- 30.
What happens when Carbon Dioxide dissolves in ocean water?
- A.
It becomes Carbonic Acid - Acidifying the ocean
- B.
It become pure Oxygen - Oxygenating the ocean
- C.
It neutralizes the acidity in the ocean
- D.
None of the above
Correct Answer
A. It becomes Carbonic Acid - Acidifying the oceanExplanation
When carbon dioxide dissolves in ocean water, it reacts with water molecules to form carbonic acid. This process is known as ocean acidification. Carbonic acid increases the acidity of the ocean, which has detrimental effects on marine life, such as harming coral reefs and disrupting the growth and development of shell-forming organisms. Therefore, the correct answer is that carbon dioxide becomes carbonic acid, acidifying the ocean.Rate this question:
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- 31.
Trees Carbon Dioxide.
- A.
Emit
- B.
Store and use to produce carbohydrates
- C.
Soak Up and Eliminate
- D.
Produce
Correct Answer
B. Store and use to produce carbohydratesExplanation
Trees store carbon dioxide through the process of photosynthesis. During photosynthesis, trees absorb carbon dioxide from the atmosphere and convert it into carbohydrates, such as sugars and starches, which they use for energy and growth. This process helps to reduce the amount of carbon dioxide in the atmosphere, which is a greenhouse gas that contributes to climate change. Therefore, the correct answer is "Store and use to produce carbohydrates."Rate this question:
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- 32.
What are the three main types of ocean currents?
- A.
Tidal, Saltwater, Thermohaline
- B.
Saltwater, Thermohaline, Wind
- C.
Thermohaline, Wind, Tidal
- D.
Wind, Tidal, Saltwater
Correct Answer
C. Thermohaline, Wind, TidalExplanation
The three main types of ocean currents are thermohaline, wind, and tidal. Thermohaline currents are driven by differences in temperature and salinity, with denser, colder, and saltier water sinking and warmer, less salty water rising. Wind currents are caused by the friction between the atmosphere and the ocean's surface, with the wind pushing the surface water and creating surface currents. Tidal currents are the result of the gravitational forces of the moon and the sun, causing the water to move in a rhythmic pattern as the tides rise and fall.Rate this question:
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- 33.
Surface currents are caused by
- A.
Floods
- B.
The wind
- C.
Warm water
- D.
The equator
Correct Answer
B. The windExplanation
Surface currents are caused by the wind. The wind blowing across the surface of the ocean creates friction, which in turn transfers energy to the water. This energy causes the water to move and creates surface currents. The direction and strength of the wind determine the direction and speed of the surface currents. Therefore, the wind is the primary force responsible for the formation and movement of surface currents in the ocean.Rate this question:
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- 34.
The curved paths of global winds and surface currents are caused by
- A.
The rotation of the Earth
- B.
The Coriolis effect
- C.
Warm air near the equator
- D.
Continental deflection
Correct Answer
B. The Coriolis effectExplanation
The curved paths of global winds and surface currents are caused by the Coriolis effect. The Coriolis effect is a result of the rotation of the Earth. As the Earth rotates, objects moving across its surface appear to be deflected to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. This deflection causes the curved paths of winds and currents, as they are influenced by the rotation of the Earth.Rate this question:
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- 35.
As water getss denser, how does it move?
- A.
Expands toward wamer water
- B.
Gets pushed toward the poles
- C.
Sinks toward the ocean floor
- D.
Gets pulled up by evaporation
Correct Answer
C. Sinks toward the ocean floorExplanation
Water sinks toward the ocean floor as it gets denser. This is because as water becomes denser, it becomes heavier and sinks due to gravity. The density of water increases with decreasing temperature and increasing salinity. Therefore, colder and saltier water is denser and tends to sink towards the ocean floor.Rate this question:
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