Environmental Science
A red shirt

Selectively scatters red wavelenghts of visible light and absorbs the rest
Selectively absorbs red wavelenghts of visible light and scatters the rest

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Environmental Science
Which of the following statements is not correct?

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

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