Question

where does the oxygen gas come from

Answer 1

ⓗⓔⓨ ⓕⓡⓘⓔⓝⓓ

ⓗⓔⓡⓔ ⓘⓢ ⓨⓞⓤⓡ

ⓐⓝⓢⓦⓔⓡ


===================================


⊙ Oxygen gas comes from photosynthesis process by plants.


⊙ During this process Plants inhale co2 and emits o2 gas.



$hope \: it \: helps$

Answer 2

OXYGEN GAS COMES FROM PLANTS.

IN THE WAY OF PHOTOSYNTHESIS.