Question

Name a common greenhouse gas containing only hydrogen and oxygen?
A) CH4
B) O3
C) H2O
D) NO

Answer 1

CH4 stands for methane which is a greenhouse gas composed of 1 atom of carbon and 4 atoms of hydrogen.
So,
A)CH4 is your answer,friend.
Hope it helps.
Plz mark my answer as brainliest.

Answer 2

H2O is a common Greenhouse gas containing only hydrogen and oxygen