1. The burning of fossil fuels contributes to the _____ which traps heat from the sun and warms the planet.

2. The destruction of forests leads to the loss of _____ for many plant and animal species.

3. Leftover chemicals from factories are classified as _____ because they can be harmful to people and the environment.

4. A place where trash is buried is called a _____.

5. We should conserve _____ such as water, minerals, and fossil fuels.