Asked by help

which two gases have been added to Earth's atmosphere in large amounts and are believed to have increased global warming by absorbing infrared radiation?
1. neon and argon 2. chlorine and nitrogen 3. hydrogen and helium 4. methane and carbon dioxide
Answered by Lyric
Nitrogen and chlorine
Answered by James
Which of the following gases was most likely present in earth's earliest atmosphere? nitrogen, hydrogen, argon, oxygen
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