1. Which of the following is not a greenhouse gas?

a) Carbon dioxide
b) Methane
c) Nitrogen
d) Nitrous oxide

2. The main source of energy for Earth’s climate system is:

a) Geothermal energy
b) Solar energy
c) Tidal energy
d) Wind energy

3. Which of the following is a major cause of deforestation?

a) Urbanization
b) Afforestation
c) Reforestation
d) Conservation

4. The term ‘biodiversity’ refers to:

a) The variety of plant species only
b) The variety of animal species only
c) The variety of all living organisms
d) The variety of ecosystems only

5. Which international agreement aims to combat desertification?

a) Kyoto Protocol
b) United Nations Convention to Combat Desertification
c) Paris Agreement
d) Montreal Protocol

6. Acid rain is primarily caused by:

a) Carbon monoxide and nitrogen oxides
b) Sulfur dioxide and nitrogen oxides
c) Carbon dioxide and methane
d) Ozone and particulate matter

7. The largest source of air pollution in urban areas is:

a) Industrial emissions
b) Vehicular emissions
c) Agricultural activities
d) Deforestation

8. Which of the following is a renewable source of energy?

a) Coal
b) Natural gas
c) Solar energy
d) Nuclear energy

9. The primary source of marine pollution is:

a) Oil spills
b) Land-based sources
c) Shipping activities
d) Deep-sea mining

10. The concept of sustainable development emphasizes:

a) Economic growth at the expense of the environment
b) Balancing economic, social, and environmental needs
c) Maximizing resource exploitation
d) Prioritizing social development over economic growth
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