1.
The way humans or animals adjust to survive in their environment
2.
A resource that can be replaced naturally over a short period of time
3.
A resource that cannot be replaced once it's been used
4.
The introduction of harmful materials into the air, water, or land
5.
The cutting down or clearing of forests for farming or building
6.
When fertile land turns into a desert
7.
Protecting and using natural resources wisely so they last longer
8.
Using resources in a way that protects them for the future
9.
The process of collecting and moving water for farming
10.
The removal of salt from seawater
11.
A resource formed in the Earth by plant and animal remains
12.
Long-term changes in Earth's temperature and weather patterns
