Background radiation includes cosmic rays from outer space, naturally occurring radiation from the earth, and radiation from radioactive materials.

Name: Background radiation includes cosmic rays from outer space, naturally occurring radiation from the earth, and radiation from radioactive materials.
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Question

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Background radiation is made up of cosmic rays, radiation from the earth's crust and atmosphere, and radioactive materials such as radon.

Background Radiation Includes Cosmic Rays from Outer Space, Naturally Occurring