Environmental Science
If a glass of water were surrounded by saturated air:

The water's temperature would slowly decrease
The level of the water in the glass would slowly decrease
The level of the water in the glass would not change
The water's temperature would slowly increase

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

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

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Environmental Science
A food web is

Like a food chain
The tropic (feeding) levels that can be observed in an ecosystem
The set of prey species that are consumed by animals in an ecosystem
A set of interconnected food chains, illustrating the tropic relationships among species

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