Environment

4. The environmental man-made contamination is called ...
5. A large amount of water covering an area of land that is usually dry.
7. Solar, wind, hydroelectric, biomass, and geothermal power are all ... energy sources.
9. A fog made heavier and darker by smoke and chemical fumes.
10. The jungle is the natural ... of a lot of species.
11. Climate change is a huge ... to humanity. We must fight it.
12. When something is in diminution, it ...s.

1. A ... is a plant that can be grown to feed people. It is also the yearly production from a field.
2. It is ... : it is free from pollution.
3. Australia has been fighting several impressive ... for the last few years. Many animals have died in the flames.
6. South Dakota has been suffering from a ... since 2020. This period of dryness doesn't seem to come to an end.
8. When we produce more food than what we need, we ... it.