Answers IC Sem B Environmental Systems The Water We Use — Unit testQuestion 1

1

QuizMultiple Choice

The Water We Use — Unit test

Question 1 • IC Sem B Environmental Systems

Which of the following gases is NOT found in Earth’s atmosphere?a.oxygenc.hydrogenb.nitrogend.all of the above are in the atmosphere

Answer

A

A

B

B

C

C

D

D

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