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Most elements occur in nature as a single isotope.
TRUE
FALSE
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Animals that reproduce sexually either do it through external or internal fertilization. read the following statement and decide if it is true or false. birds reproduce through external reproduction which is because the female will then be able to protect the egg.
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Chemical engineering who specializes in negotiating for large purchases and instructing customers in use of the products are
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Most elements occur in nature as a single isotope.
TRUE
FALSE...
TRUE
FALSE...
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