Please help with this question!

asked Jun 27, 2021 171k views

5 votes

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5 votes

Answer:

the answer is oxygen

Step-by-step explanation:

Csgeek answered Jun 29, 2021

5.9k points

2 votes

Answer:

Oxygen for the first box, and lactic acid for the second

Ketan Akbari answered Jul 2, 2021

5.4k points

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