1.

please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please​

Answer»

Answer:

1) OXYGEN (A)

2) carbon DIOXIDE (B)

3) (C)

4) (B)

5) (D)

Explanation:

Hope. it HELPS you. Purple you! Borahae!



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