Question

Define radiation?

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Answer 1

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Explanation:

powerful and very dangerous rays that are sent out from certain substances. You cannot see or feel radiation but it can cause serious illness or death

Answer 2

Explanation:

PHYSICS

the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles which cause ionization.

2.

BIOLOGY

divergence out from a central point, in particular evolution from an ancestral animal or plant group into a variety of new forms.