Earth Day

4. The solid part of the earth consisting of the crust and outer mantle where many natural resources can be found
10. Day A day created in 1970 about celebrating and caring for the Earth
11. The excessive use of material things, including food and natural resources
13. The increase in chemical concentration in animal tissues as the chemical moves up the food chain to the top-level consumers
14. The total surroundings (living and nonliving) of an organism or a group of organisms.
15. A natural resource that is not replaced in a useful time frame.

1. Cutting down of forests leading to increased erosion and slower soil regeneration.
2. All the water on earth that can be polluted by toxic chemicals and trash making them unlivable for animals
3. Convert waste into reusable material.
5. Protection Agency An independent federal agency established to coordinate programs aimed at reducing pollution and protecting the environment
6. A lifestyle that meets the needs of the present without compromising the ability of future generations to meet their own needs; in other words, living a life that only uses what is needed and readily available
7. A mixture of gases that surrounds our planet; can be polluted from exhaust from vehicles or factories.
8. Waste materials from industry that are poisonous to humans or other living things
9. Release of harmful materials into the environment.
12. A process that allows the organic material in solid waste to be decomposed and reintroduced into the soil, often as fertilizer.