Maggie144
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Chemical bonds A. Hold atoms together to form compounds B. Are always ionic C. Combine compounds to form elements D. Are always covalent

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reentr
I believe its A. Hold atoms together to form compounds

The answer is: hold atoms together to form compounds

For Penn foster users on page 30 biology textbook it says "the atoms in compounds are held together by chemical bonds"  I put this information here so you know this is correct.