Question

Tom, Sam, Dickens and Collins are discussing the occurrence of carbon dioxide in the atmosphere. Given below is what they said.Tom: Carbon dioxide is the most abundant gas in air.Sam: Air contains only 3% - 4% of carbon dioxide.Dickens: Air contains less than 1% of carbon dioxide.Collins: Air contains 30% - 40% of carbon dioxide.Who is correct?

Answer 1

Answer:

Sam: Air contains only 3% - 4% of carbon dioxide.

Answer 2

Answer:

Dickens is the one with correct answer