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
Low clouds retard surface cooling at night better than clear skies because:

The water droplets in the clouds reflect infrared energy back to earth
The clouds absorb and radiate infrared energy back to earth
The clouds start convection currents between them
The clouds are better conductors of heat than is the clear night air
The formation of the clouds releases latent heat energy

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