16. What is the term used to describe the rise in Earth’s average temperature due to human activities?
a) Natural climate change
b) Anthropogenic climate change
c) Solar radiation
d) El Niño
17. Which of the following is a way to reduce carbon emissions?
a) Investing in renewable energy sources
b) Promoting energy efficiency
c) Improving public transportation
d) All of the above
18. What is the primary cause of the loss of biodiversity?
a) Deforestation
b) Pollution
c) Climate change
d) Habitat destruction
19. What is the term used to describe the gradual increase in Earth’s average temperature over a long period of time?
a) Climate change
b) Global warming
c) Ozone depletion
d) Acid rain
20. What is the main cause of ocean acidification?
a) Deforestation
b) Carbon dioxide emissions
c) Nuclear radiation
d) Oil spills
