Multiple Choice
Which is the most significant greenhouse gas released by human activities?
A) water vapor H2O
B) methane CH4
C) carbon dioxide CO2
D) nitrous oxide N2O
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q2: Which of the actions would address the
Q3: In phenology, scientists study changes in subjects
Q4: The geothermal gradient is due to<br>A) decaying
Q5: In the United States, which source of
Q6: At summer breeding grounds, insects provide food
Q8: Terika states that the recent warming trend
Q9: Carbon dioxide is considered to be the
Q10: A letter to the editor in the
Q11: Climate models for the United States predict<br>A)
Q12: Select the example of a balancing feedback