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

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

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Environmental Science
Which of the following statements is not correct?

During the winter, low relative humidity can irritate the mucus membranes in the nose and throat.
The length of human hair changes as the relative humidity changes.
A change in the air temperature can change the relative humidity.
The relative humidity is a measure of the air's actual water vapor content.

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Environmental Science
The albedo of the earth's surface is only about 4%, yet the combined albedo of the earth and the atmosphere is about 30%. Which set of conditions below best explains why this is so?

High albedo of clouds, low albedo of water
Low albedo of clouds, low albedo of water
High albedo of clouds, high albedo of water
Low albedo of clouds, high albedo of water

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