Across
- 1. the increase in the number of gases in the atmosphere that leads to the trapping of the sun's heat that cannot escape into space.
- 4. a gradual rise in world temperatures (both air and sea) caused by releasing polluting gases in the Earth's atmosphere because of human activities.
- 6. an extended period in a particular area without rain (or just with little rain).
- 7. when the water rises and overflows a body of water and spreads onto a surrounding area which is usually dry due to prolonged rainfalls or the failure of water control structures.
- 8. a sudden violent shaking of the Earth's surface of different strengths that may cause destruction and even volcanic action.
- 9. a film or layer of oil floating on the exposed water surface such as sea or ocean leaking from a ship or container.
Down
- 2. the dangerous gas or steam produced by the running engine of a vehicle or another device that contains toxic chemicals
- 3. cutting down a lot of trees in a large area to the point there are no trees
- 5. the rain that contains and carries many harmful chemicals collected in the atmosphere due to burning substances such as coal and oil.
