Which group of substances are elements?
A. Air, water, cooking oil
B. carbondioxide, water, ta...
Chemistry, 16.10.2020 05:01 maribelsalgado3
Which group of substances are elements?
A. Air, water, cooking oil
B. carbondioxide, water, table salt
C. carbon, hydrogen, oxygen
D. rock, soil, iron ore
Answers: 1
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