Earth Science Vocab. HW

2. The losing of a certain group of animal in a certain area
4. Cutting down trees for the use of 'city-life'
5. The moving of weathered rocks
7. When chemicals like Carbon Dioxide traps the Sun's radiation and heat inside of Earth, thus making Earth warmer then it's suppose to be
8. The removal of Earth's valuable minerals
10. The growing of a specific crop in a certain location over and over again
11. The countryside
12. The way today's crop is grown
15. A group of family that died off forever
16. A method of agriculture before planting new seeds
17. Examples are growing crops, breeding animals
18. When there is too many people in a certain place

1. Resources that are harvested in a way that it does not harm the soil
3. The action of people moving from the countryside to the city is called
6. The watering of the soil to prepare it for agricultural uses
9. The uppermost layer of the soil
13. When the land is overused, not taken care of and the topsoil is blown away
14. Ridged outer part of the Earth
18. When an animal eats the grass far too often and too much that the ground becomes vulnerable to erosion
19. Something that wards off/kill bugs,animals or plants