Question

Which of the following gases are harmful:
Oxygen, Carbon dioxide, Nitrogen, Helium, Methane, and carbon monoxide.
And clearly explain why the are harmful​

Answer 1

Answer:

carbon mono oxide carbon dioxide Methane

Explanation:

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Answer 2

Answer:

Carbon Monoxide, Methane, Carbon Dioxide

Explanation:

Carbon monoxide is harmful when breathed because it displaces oxygen in the blood and deprives the heart, brain and other vital organs of oxygen. Large amounts of CO can overcome you in minutes without warning — causing you to lose consciousness and suffocate.

Methane is a greenhouse gas which causes global warming.

Carbon Dioxide, as we know, is harmful for inhalation.