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Environmental Science

Environmental Science
Which of the following processes acts to remove carbon dioxide from the atmosphere?

Photosynthesis
Burning fossil fuels
Deforestation
Lightning

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Environmental Science
Typically, water vapour occupies about what percentage of the air's volume near the earth's surface?

About 78 percent
Close to 10 percent
About 21 percent
Less than 4 percent
None of these

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Environmental Science
Two objects, A and B, have the same mass but the specific heat of A is larger than B. If both objects absorb equal amounts of energy,

A will become warmer than B
A will get warmer, but B will get colder
B will become warmer than A
Both A and B will warm at the same rate

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Environmental Science
The major pollutant from automobile exhaust is

NO
Soot
SO2
CO

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Environmental Science
As the air temperature increases, the air's capacity for water vapour:

Remains constant
Decreases
Is unrelated to air temperature and can either increase or decrease
Increases

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Environmental Science
Green plants are absent in deep sea. Why?

High pressure
Low temperature
Light is absent
Great depth

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