Ozone is a gas found in the layer...? Mcqs

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Latest MCQs

Ozone is a gas found in the layer...?

(A) Troposphere

(B) Mesosphere

(C) Stratosphere

(D) Exosphere

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Latest MCQs

What is the third most common gas found in the air we breathe ________ ...?

(A) Hydrogen

(B) Neon

(C) Carbondioxide

(D) Argon

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