Environmental Science
The earth emits radiation with greatest intensity at:

Radio wavelengths
Infrared wavelengths
Ultraviolet wavelengths
Visible wavelengths

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Environmental Science
A food web is

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

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