Quiz_6.1 Introduction to the Atmosphere

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1. Which is the relative abundance, from most to least, of permanent gases in the atmosphere? *

1 point

nitrogen, carbon dioxide, oxygen, argon

nitrogen, oxygen, water vapor, carbon dioxide

oxygen, nitrogen, carbon dioxide, argon

nitrogen, oxygen, argon, water vapor

2. The layers of the atmosphere starting from Earth's surface are the *

1 point

troposphere, stratosphere, mesosphere, magnetosphere

troposphere, stratosphere, ionosphere, thermosphere

stratosphere, troposphere, thermosphere, magnetosphere

stratosphere, mesosphere, troposphere, thermosphere

3. Most warming of the Earth due to the greenhouse effect takes place in the *

1 point

thermosphere

stratosphere

mesosphere

troposphere

6. Earth's weather occurs in the *

1 point

thermosphere

stratosphere

mesosphere

troposphere

4. The level of oxygen in the atmosphere has been _______________ since the formation of the Earth. *

1 point

about 21%

between 0% and 21%

between 4% and 35%

between 0% and 100%

5. Today's oxygen levels in the atmosphere and oceans are due to *

1 point

cyanobacteria photosynthesizing over billions of years.

chemical reactions between Earth's surface using solar and geothermal energy.

producers on land supersaturating the atmosphere until oxygen is absorbed by the oceans.

an increase in greenhouse gases due to human activity.

6. The "ozone layer" can be found in the *

1 point

thermosphere

stratosphere

mesosphere

troposphere

Use the following image, Figure 4, for Questions 8-10.

8. How much solar radiation reaches the Earth's surface? *

1 point

49%

51%

58%

97%

9. The input of solar radiation stored in the atmosphere is *

1 point

-3%

-11%

42%

10. Albedo can be seen in *

1 point

incoming solar radiation.

the left side of the diagram.

the right side of the diagram.

ground absorption.

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