Across
- 3. things that you throw away because I don't need them any more
- 5. at night
- 8. energy from the Sun
- 9. it's when the temperature increases all over the world
- 10. to describe animals that live and hunt at night
Down
- 1. it's when the weather and natural conditions are not the same as they were before
- 2. animals' homes
- 4. big problem
- 6. fight against
- 7. kinds of fuels or power