vshelton3856 vshelton3856

28-01-2020
English

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The major part of the average exposure of humans to radiation comes from_____________.

a. other human made sources.
b. naturally occurring sources.
c. diagnostic x-rays.
d. nuclear power plants

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LanaSavv LanaSavv

28-01-2020

B. Naturally occurring sources

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haniamasoodj haniamasoodj

28-01-2020

Answer: b) naturally occurring sources.

Explanation: Earth and air carries a lot of radioactive materials that produce radiation such as uranium, radon in general.

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