Biology, 16.11.2019 02:31 isabelperez063

Examine the equation.
234 th
230 ra + he
what kind of barrier would you need to block the radioactive particles from this reaction?
a sheet of aluminum foil
a piece of paper
a solid concrete block
a two-inch block of lead

Answers: 3

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Examine the equation.
234 th
230 ra + he
what kind of barrier would you need to bl...

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