Across
- 1. that we shouldn't use for groceries
- 3. what happens in the Troposphere
- 4. something that forms from water
- 6. way to start helping the earth
- 9. where we live on
- 10. the main cause of global warming
Down
- 2. what makes earth hot or cold
- 5. that release oxygen for us
- 7. main source of methane release
- 8. what there is an excess of