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Darina [25.2K]
3 years ago
13

PLEASE HELP ME WITH THESE TWO QUESTIONS!!MY CHEMISTRY QUIZ IS DUE AT MIDNIGHT:(

Chemistry
1 answer:
azamat3 years ago
6 0

Answer:

3 is oxygen and ozone and 4 is only methane.

Explanation:

Note, a compound consists of 2 or more elements.

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