Background Radiation

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Background radiation comes from, 1..
Unstable isotopes
1 of 6
2...
Cosmic rays from space but most are deflected.
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3...
Human activity
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What can cause higher levels of background radiation in certain areas?
Certain underground rocks release radon gas
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What is radon gas?
It makes up 50 percent of our BR
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Radon gas gets trapped in people's
houses
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Card 2

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2...

Back

Cosmic rays from space but most are deflected.

Card 3

Front

3...

Back

Preview of the front of card 3

Card 4

Front

What can cause higher levels of background radiation in certain areas?

Back

Preview of the front of card 4

Card 5

Front

What is radon gas?

Back

Preview of the front of card 5
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