Across
- 2. Releasing in the atmosphere
- 8. a change made to an organism or one of its components to improve fitness for life.
- 9. causing great damage or harm.
- 10. forests are cut down by humans
Down
- 1. human activity that affects the environment, either directly or indirectly.
- 3. prolonged period of abnormally low rainfal
- 4. the lessening of something negative or the lessening of its negative effects.
- 5. located in polar region which melts because of global warming
- 6. a violent usually destructive natural event.
- 7. CH4