Q545
The gas responsible for the greenhouse effect on Venus is:
A.
Carbon dioxide (CO2)
AnswerB.
Oxygen (O2)
C.
Ozone (O3)
D.
Nitrogen (N2)
E.
Water vapor (H2O)
Answer: Option A
Solution
Answer: Option A
Solution:
The Venusian atmosphere is mainly made up of carbon dioxide, a greenhouse gas. On Earth, carbon dioxide makes up only a tiny fraction of the atmosphere. However, man-made emissions have caused carbon dioxide concentrations here to increase by about 30% since pre-industrial times.