Across
- 1. The place we call home
- 4. Convert (waste) into reusable material
- 8. The plants, animals and other organisms that live in the salt water of the sea or ocean
- 9. The presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects.
- 10. Prevention of wasteful use of a resource.
Down
- 1. The surroundings or conditions in which a person, animal, or plant lives or operates.
- 2. Make smaller or less in amount, degree, or size.
- 3. A biological community of interacting organisms and their physical environment.
- 5. An area of land overgrown with dense forest and tangled vegetation, typically in the tropics.
- 6. The layers of gases surrounding a planet
- 7. A living organism of the kind exemplified by trees, shrubs, herbs, grasses, ferns, and mosses
- 11. A very large expanse of sea, in particular each of the main areas into which the sea is divided geographically.