Science, asked by Shraddha0003, 1 month ago

When water becomes unclean and poisonous due to mixing of natural or artificial unwanted material, the amount of ________ decreases.
1)Nitrogen
2) Oxygen
3) Hydrogen
4) Carbon dioxide

PLEASE GIVE RIGHT ANSWERS

Answers

Answered by gogoijayprakash

1

Answer:

Oxygen decrease due to pollution

Answered by conqueror3

2

Answer:

Oxygen

Explanation:

When water becomes unclean and poisonous due to mixing of natural or artificial unwanted material, the amount of oxygen decreases.

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