Various Topics on Climate Change

6. What is the largest carbon sink on Earth?

 a) Oceans

 b) Rainforests

 c) Polar ice caps

 d) Wetlands

7. What is the term used to describe the gradual increase in Earth’s average temperature?

 a) Global warming

 b) Climate change

 c) Greenhouse effect

 d) Ozone depletion

8. How is climate change impacting the polar regions?

 a) Melting of glaciers and ice caps

 b) Rising sea levels

 c) Loss of habitat for polar bears

 d) All of the above

9. Which of the following is not a renewable source of energy?

 a) Solar power

 b) Wind power

 c) Fossil fuels

 d) Hydropower

10. What is the main cause of ocean acidification?

 a) Deforestation

 b) Carbon dioxide emissions

 c) Nuclear radiation

 d) Oil spills