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Home Q & A Board Science-Related Homework Help Health, Nutrition, and Food Sciences
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howardgiles112 howardgiles112
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6 years ago
Most ionizing radiation comes from cosmic rays and radioactive minerals, which vary according to geography.
 a. True
  b. False
  Indicate whether the statement is true or false
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joshbauerjoshbauer
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6 years ago
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howardgiles112 Author
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6 years ago
This calls for a celebration Person Raising Both Hands in Celebration
ouasfoudgewu
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Yesterday
Smart ... Thanks!
Jodias
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2 hours ago
Helped a lot
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