Environmental Science
Most of the radiation emitted by a human body is in the form of:

Infrared radiation and is invisible
Humans do not emit electromagnetic radiation
Visible radiation but is too weak to be visible
Ultraviolet radiation and is invisible

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Environmental Science
What is the cause of the Exxon Valdez?

none of these.
a plane which crashed and caused death of human life
a ship which wrecked on the coast of India
Oil Tanker which sank in 1989 along the coast of Alaska and marine life seriously affected.

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