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mylen [45]
3 years ago
8

Chemically combined substances, such as CO2, NH3, and H20 are called.....

Chemistry
2 answers:
Alex787 [66]3 years ago
8 0
It is d. compounds because they have more than one element.
Jobisdone [24]3 years ago
3 0

Answer:

compound

compound

compound

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