Environmental Science
Suppose saturated polar air has an air temperature and dew point of -10o C, and unsaturated desert air has an air temperature of 35o C and a dew point of 10o C. The desert air contains ______ water vapour and has a ________ relative humidity than the polar air.

More, higher
Less, higher
Less, lower
More, lower

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Environmental Science
How do red and blue light differ?

Blue light has a higher speed of propagation.
The wavelength of red light is longer.
Red and blue light have different directions of polarization.
Red light has a higher intensity.

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Environmental Science
When clouds are viewed near the horizon, the individual cloud elements usually:

Appear lighter in color than is actually the case
Appear farther apart than is actually the case
Appear closer together than is actually the case
Appear to have more vertical development than is actually the case

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