Earth Science Vocab. HW

2. A group of family that died off forever
5. The growing of a specific crop in a certain location over and over again
9. The losing of a certain group of animal in a certain area
11. Examples are growing crops, breeding animals
12. The moving of weathered rocks
14. The way today's crop is grown
18. Something that wards off/kill bugs,animals or plants
19. When an animal eats the grass far too often and too much that the ground becomes vulnerable to erosion
20. The watering of the soil to prepare it for agricultural uses

1. 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
3. Resources that are harvested in a way that it does not harm the soil
4. The countryside
6. A method of agriculture before planting new seeds
7. The uppermost layer of the soil
8. Cutting down trees for the use of 'city-life'
10. Ridged outer part of the Earth
13. The removal of Earth's valuable minerals
15. When the land is overused, not taken care of and the topsoil is blown away
16. When there is too many people in a certain place
17. The action of people moving from the countryside to the city is called