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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​
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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​

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6 votes

Answer:

C

Step-by-step explanation:

(A+B) are compounds and D is mixtures

User Catfood
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