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

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