Across
- 1. The gase needed by animals and plants to live
- 2. To convert waste into reusable material
- 4. The type of rain that has harmful effects on animals and things
- 5. Damage caused to our environment by harmful substance or waste
- 7. The type of fuel formed undergroun millions of year ago and emits carbon dioxide when used
Down
- 1. An environmental disaster happens when this substance comes out of the ship.
- 3. An increase in the amount of carbon dioxide that is believed to be the cause of a gradual warming of the surface of the Earth
- 6. A gradual increase in the overall temperature of the earth's atmosphere