Question: What is the main idea of the passage regarding climate change? (2023)

Options:

1. Climate change is primarily caused by human activities.
2. Climate change has no significant impact on biodiversity.
3. Climate change is a natural phenomenon that occurs periodically.
4. Climate change can be reversed with immediate action.

Correct Answer: Climate change is primarily caused by human activities.

Exam Year: 2023

Solution:

The passage discusses the human impact on climate change, emphasizing the need for immediate action to mitigate its effects.