Across
- 3. we cut down a considerable amount of these
- 4. a living organism that feeds on organic matter, typically having specialized sense organs and nervous system and able to respond rapidly to stimuli.
- 5. the presence in or introduction into the environment of a substance or thing that has harmful
- 7. what we have to do to plastic to help the environment
Down
- 1. the natural world, as a whole or in a particular geographical area, especially as affected by human activity.
- 2. avoidance of the depletion of natural resources in order to maintain an ecological balance.
- 6. a synthetic material made from a wide range of organic polymers