What is the main point of the passage?
A. Climate change is a natural process.
B. Human activity is causing climate change.
C. Climate change is the biggest threat to our planet.
D. Climate change is not a threat to our planet.
Answer:C
What is the main point of the passage?
A. Climate change is a natural process. B. Human activity is causing climate change. C. Climate change is the biggest threat to our planet. D. Climate change is not a threat to our planet.