ESCI 111 Quiz 21 flashcards |

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The climate system involves the exchanges of energy and moisture that occur among the ________ spheres.


The amount of radiation reflected by a surface is termed its ________.


Tree rings can be used ________.

A and B

Fifty percent of Earth's atmosphere is found below an altitude of ________.

5.6 km

As you ascend in elevation within the troposphere, the air temperature decreases ________.

6.5 ยบC/km

A surface's ________ is the amount of total radiation that it reflects.


If Earth's atmosphere contained no greenhouse gases, the average surface temperature would be ________.


Eccentricity, obliquity, and precession are considered to be causes of ________ climate change.


Explosive volcanic eruptions can act to ________ global temperatures.


A general term for particulate matter found in the atmosphere is ________.


Some scientists believe that these huge magnetic storms are responsible for variations in temperature and precipitation.


Burning which of the following materials contributes carbon dioxide to Earth's atmosphere?

A, B, and C

The increase in global temperature during the twentieth century was approximately ________.


Methane (CH4), nitrous oxide (N2O), and chlorofluorocarbons (CFCs) are considered ________ (greenhouse) gases.


Global warming is likely to have a greater adverse effect on ________ regions.


Sea level has risen between ________ over the last 100 years.

10 and 23 cm

Melting of permafrost will release ________ as a result of decomposing vegetation.

carbon dioxide and methane

When atmospheric CO2 dissolves in seawater, it forms ________.

carbonic acid

Increased levels of atmospheric CO2 will ultimately ________ the pH of global oceans.


Ozone is concentrated in the ________.


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