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1. The burning of _______, such as coal and oil, releases large amounts of carbon dioxide into the atmosphere.
reusable products
greenhouse gases
fossil fuels
renewable energy
2. The gradual increase in the Earth's average temperature is known as _______.
climate change
global warming
a heatwave
the greenhouse effect
3. _______ is the cutting down of trees in a large area, leading to habitat loss and soil erosion.
Deforestation
Industrialization
Overfishing
Soil degradation
4. A long period of time with little or no rain, causing extreme water shortages, is called a _______.
cyclone
flooding
storm
drought
5. To reduce waste, we should use _______ bags instead of single-use plastic ones.
reusable
degraded
renewable
recycling
6. The melting of polar ice caps is causing _______, which threatens coastal cities around the world.
biodiversity loss
sea level rise
air pollution
water conservation
7. Solar, wind, and hydro power are all examples of _______ energy sources.
efficient
renewable
intensive
fossil
8. The contamination of rivers and lakes by chemicals from factories is a serious form of _______.
soil degradation
air pollution
overfishing
water pollution
9. Many plastic bags and bottles end up in the ocean, contributing to _______.
sustainable agriculture
recycling
plastic pollution
sea level rise
10. _______ farming often relies heavily on chemical fertilizers, which can damage the soil over time.
Renewable
Intensive
Reusable
Sustainable
11. Exhaust fumes from cars and factory smoke are major contributors to _______, especially in big cities.
air pollution
water pollution
soil degradation
plastic pollution
12. The destruction of habitats is leading to _______, as many species of animals and plants are disappearing forever.
biodiversity loss
sea level rise
overpopulation
a heatwave
13. Governments worldwide are trying to reduce their _______, which are gases like carbon dioxide and methane that trap heat in the atmosphere.
fossil fuels
greenhouse gas emissions
electric vehicles
renewable energy
14. The process of treating used materials like paper, glass, and plastic so they can be used again is called _______.
flooding
deforestation
erosion
recycling
15. Extremely dry and hot weather can increase the risk of a _______, a large, destructive fire that spreads quickly through natural areas.
storm
cyclone
wildfire
drought
