Human Impact

2. Humans and animals breath this in
3. Humans and other living things depend on clean
4. the cultivation of plants and animals for food, medicine or other products.
5. clearing large areas of natural land to build housing or farmland for human use.
8. the extraction of minerals, metals, and natural resources from the ground.
10. the mass production of synthetic products from natural resources.
11. the amount of plants or animals living in a geographically defined area
13. resources that can be regenerated through biological or chemical processes
15. the process of converting natural habitats into cities and towns.
16. the process of converting wild animals into tame.
18. resources with a finite amount. Once they are used up, they are gone forever.

1. the clearing of forests to make land for agriculture, building supplies, or housing.
6. can be a food source, help with work, provide transportation, and food.
7. nonrenewable energy sources that humans rely on.
9. when plants or animals are accidentally or purposefully moved to a new environment.
12. harms the environment.
14. precipitation that is more acidic than normal
17. All animals depend on these to provide them with food.