EXPLANATION
GS5. Which of the following is a greenhouse gas?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Hydrogen
ANSWER: c) Carbon dioxide
EXPLANATION:
The greenhouse gas among the options provided is:
c) Carbon dioxide
Carbon dioxide (CO2) is a greenhouse gas. It is one of the primary gases responsible for the greenhouse effect, which is the process by which certain gases in the Earth's atmosphere trap heat and contribute to the warming of the planet. Carbon dioxide is released into the atmosphere through various natural processes like respiration and volcanic activity, as well as human activities such as the burning of fossil fuels.
