Environmental Science
Ecology is

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

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Environmental Science
An important reason for the large daily temperature range over deserts is:

The light-colored sand radiates heat very rapidly at night
The ozone content of desert air is very low
There is little water vapor in the air to absorb and re-radiate infrared radiation
Dry air is a very poor heat conductor
Free convection cells are unable to form above the hot desert ground

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