5 Select the correct answer from each drop-down menu.
Both molecules and compounds are made up of atoms Two or more atoms joined together by shared electrons
form a molecule Substances made from two or more different elements are compounds
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Both molecules and compounds are made up of  

atoms

. Two or more atoms joined together by shared electrons form  

a molecule

. Substances made from two or more different elements are  

compounds .

Explanation:

I believe this is the right answer.

chert is a sedimentary rock composed of microcrystalline or cryptocrystalline silica. with this little bit of information, you can come to the conclusion that your answer is c.  

explanation: