E2 Unit3.1

Greenhouse effect is a natural process.

• A. True
• B. False

Which of the following is NOT a major type of greenhouse gas?

• A. Water vapour
• B. Carbon monoxide
• C. Carbon dioxide
• D. Methane

Which of the following greenhouse gases account for the largest share in the atmosphere?

• A. Methane
• B. Carbon dioxide
• C. Water vapour
• D. Nitrous oxide

Which of the following is NOT an impact of human activities on greenhouse effect?

• A. The rate of temperature increase speeds up
• B. The concentration of greenhouse gas in the atmosphere increases
• C. Less heat can escape to space
• D. Less heat is trapped in the atmosphere

Global warming results in climate change.

• A. True
• B. False