Biology, 31.08.2021 07:50 wendymtz2004
Two substances, A and Z, are to be identified. Substance A cannot be broken down by a chemical change. Substance Z can be broken down by a chemical change. What can be concluded about these substances?
a.
Both substances are elements.
b.
Both substances are compounds.
c.
Substance A is a compound and substance Z is an element.
d.
Substance A is an element and substance Z is a compound.
Answers: 3
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Two substances, A and Z, are to be identified. Substance A cannot be broken down by a chemical chang...
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