Apes Global Climate Change

Which of the following is the best conclusion that can be made from this graph?

• atmospheric carbon dioxide levels have been decreasing since 1960

• Hawaii has a lot of carbon dioxide

• humans have been working hard to decrease carbon dioxide levels

• atmospheric carbon dioxide levels have increased steadily since 1960

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Which of the following are evidence of climate change?

• extreme weather events

• increase in the average global temperature

• melting of polar ice caps

• all of the above

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How do carbon dioxide (CO2) and other greenhouse gases cause Earth's atmosphere to warm?

• absorb incoming solar radiation

• reflect incoming solar radiation

• absorb outgoing infrared radiation

• emit outgoing infrared radiation.

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What is the greenhouse effect?

• The warming of a planet due to trapped radiation.

• The cooling of Earth due to air pollution.

• The heating of a solid, such as a rock.

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What is the evidence that solar radiation is less important to global warming than the increase in greenhouse gases?

• temperatures have increased more in the summer than in winter

• temperatures have increased more in the winter than in summer

• temperature increases have been uneven across the globe

• there is a historic correlation of CO₂ and temperature

• There is a lack of temperature change in some areas

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Possible human solutions for limiting global warming and climate change are...

• being more energy-efficient

• using renewable sources of energy

• removing carbon from fossil fuel emissions

• all of the above

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Although levels of CFCs in the atmosphere are much lower than those of CO2 , CFCs are still potent greenhouse gases because they

• remain in the atmosphere for only a brief time

• lack natural sources

• are much more efficient at absorbing thermal radiation

• are more difficult to remove from smokestacks and tailpipes

Which of the following best describes the mechanism of the greenhouse effect in Earth's atmosphere?

• Infrared radiation from Earth's surface is absorbed by gases in the atmosphere.

• Cosmic radiation from deep space is absorbed by gases in the atmosphere.

• Alpha radiation from the Sun is absorbed by water vapor in the atmosphere.

• Ultraviolet radiation from the Sun is absorbed by ozone gas in the stratosphere.

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What is true about the melting of permafrost?

• The melting of permafrost releases greenhouse gasses, which increases warming.

• The melting of permafrost helps to regulate and cool down the air temperature in the arctic.

• The melting of permafrost has no affect on anything.

• The permafrost is a lie.

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The type of energy that is trapped by greenhouse gases is:

• Visible light

• Ultraviolet (UV) radiation

• Gamma radiation

• Infrared (IR) radiation

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