Question

List two forms of oxygen found in the atmosphere . Name the process by which
A oxygen from the atmosphere is used up
B oxygen is returned to the atmosphere

Answer 1

Heya ☺

Two forms of oxygen are ----

1) Elemental Oxygen
2)Ozone (O3 )

A.. O2 is used up by the process of respiration.(Inhaling)

B.. O2 is returned by Photosynthesis

Answer 2

The two forms of oxygen found in the atmosphere are:
1. Diatomic molecular form with chemical formula O2.
2. Triatomic molecular form with chemical formula O3known as ozone.

A) Respiration
B) Photosynthesis

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