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Potassium
Potassium

Potassium

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Though not available in pure form, potassium is all around us. It can be found in the earth and the oceans, and even in bananas. About 95 percent of the...
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Ages: 11-12
Read time: 45-60 mins
AR LEVEL: 6.2
LEXILE©: 990L
Ages: 11-12
Read time: 45-60 mins

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