Deforestation

3. the science of planting and taking care of large areas of trees
5. the solid terrestrial surface of Earth not submerged by the ocean or another body of water.
8. what we breath everyday
9. a place where you take walks, "the beauty of ..."
10. the natural home or environment of an animal, plant, or other organism
11. the activity or business of growing crops and raising livestock

1. when trees are cut down
2. the class we are currently in.
4. the dying out or extermination of a species
6. community of organisms together with their physical environment.
7. the gases in the atmosphere that raise the surface temperature of planets such as the Earth.