Environmental Science
Ecology is

Integrates both social and natural sciences to help us understand how the earth works,
The study of the environment in the absence of humans
The science that studies the evolution of life,
The study of the relationships between organisms and their environment

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Environmental Science
Which of the following statements is not correct?

The length of human hair changes as the relative humidity changes.
During the winter, low relative humidity can irritate the mucus membranes in the nose and throat.
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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