Question

Nitrous oxide, commonly called laughing gas, has been a matter of concern to environmentalists recently because:
A.it is thought to cause cancer at low concentration
B.it produces photochemical smog
C.it is a greenhouse gas
D.none of the above

Answer 1

The answer is option C.

Nitrous oxide (N2O) is a greenhouse gas and it does the same things that other greenhouse gases like CO2, methane, etcetera does: increase the global temperature and pollution.

So, C. is the correct answer.

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Answer 2

Answer:

It is poisonous and carcinogenic in nature.