Which of the following is NOT a primary green house gas in the earth's atmosphere?1). Methane2). Ozone3). Nitrous oxide4). Hydrogen

Which of the following is NOT a primary green house gas in the earth's

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1.	Which of the following is NOT a primary green house gas in the earth's atmosphere?1). Methane2). Ozone3). Nitrous oxide4). Hydrogen
Answer» CORRECT ANSWER is: OPTION 4