Environmental Science
The proper order from shortest to longest wavelength is:

Ultraviolet, infrared, visible
Ultraviolet, visible, infrared
Visible, infrared, ultraviolet
Visible, ultraviolet, infrared
Infrared, visible, ultraviolet

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Environmental Science
Definition of ecosystem is

The community of organisms together with the environment in which they live
The abiotic component of a habitat
A community of organisms interacting with one another
The part of the earth and its atmosphere which inhibits living organisms

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