Greenhouse Gases and Climate Answers

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Study the graph.

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Methane has increased over time.
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Methane has decreased over time.
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Methane has had a steady decline over time.
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Methane has remained the same over time.
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How do greenhouse gases contribute to the warming of the Earth's atmosphere?

Greenhouse gases absorb cold energy.
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Greenhouse gases absorb heat energy.
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Greenhouse gases absorb air.
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Greenhouse gases absorb water.
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Which accurately describes how human activities influence atmospheric conditions?

Humans using fertilizers release carbon dioxide into the atmosphere.
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Humans walking to work release nitrous oxide into the atmosphere.
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Humans burning fossil fuels release methane gas into the atmosphere.
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Humans using coolants release fluorinated gases into the atmosphere.
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10

Read the scenario.Katie has been assigned to research about greenhouse gases. She chose to investigate methane gas. She knew that methane gas was produced naturally through the digestion of grass from grazing animals, like cows. She was surprised to find out that methane gas is also produced from landfills. This would add more methane gas into the atmosphere.

What happens if you just feed cows corn?
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What could happen if you get rid of all the cows?
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How much methane gas is added to the atmosphere from landfills?
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Is the methane produced in landfills the same as produced by cows?
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12

Which order of events represents how greenhouse gases trap infrared radiation (IR)?

IR release, IR absorption, bond movement, more IR absorbed
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IR absorption, bond movement, more IR absorbed, IR release
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more IR absorbed, IR release, IR absorption, bond movement
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bond movement, more IR absorbed, IR release, IR absorption
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14

Study the graph the shows the change of albedo in a forest.

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The temperature will decrease.
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The temperature will increase.
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The temperature will not change.
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The change in albedo does not affect temperature.
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Study the graph of the sea ice in the Artic Ocean.

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The temperature will increase.
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The temperature will decrease.
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The temperature will remain the same.
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Albedo has no effect on temperature.
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18

Study the graph.

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As the amount of carbon dioxide increases, temperature change has increased.
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As the temperature has decreased, the amount of carbon dioxide has also increased.
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As the amount of carbon dioxide decreases, temperature change has increased.
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There is no correlation between carbon dioxide amounts and temperature change.
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20

Which activity releases nitrous oxide into the atmosphere?

planting flowers in a pot
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taking a hike in the forest
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the production of electronic devices
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crossing the street
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