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The correct answer is:
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C.asthenosphere </span><span>
If I made a mistake feel free to tell me ^-^
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Answer:
Explanation:An example of such a substance is table salt. The chemical formula for table salt is NaCl. ... That there are no numbers present in the chemical formula means that there is one atom of each element present in the molecule. The Periodic Table reveals that Na is the symbol for sodium, and Cl is the symbol for chlorine.
A reproductive barrier keeps similar species from interbreeding.
