Earth Science

3. Resources (Harvest) In a way that it is not harmed
4. The countryside
6. Relating to growing crops or breeding animals
8. Method used today to plant the word's crops
12. The removal of valuable minerals from within Earth
14. Planting one crop in the same area year after year after year
15. The movement of weathered rocks
16. A method of agriculture before planting new seeds
17. Something that ward off or kill bugs, animals or plants
18. When grass/plants is being used up (eaten) too quickly for it to grow back
19. The increasing number of people of moved from the rural area to _______

1. When a group of animals that lived in a specific area disappear
2. The act of cutting down acres of trees for the use of urbanization
5. Thinest and uppermost layer of the Earth
7. When a group (family of animals) died and is never ever coming back again
9. When the land have been overused and topsoil is blowed away
10. When the population of a place or certain area have been overflowed
11. When natural chemicals (like Carbon Dioxide) traps the Sun's radiation and cheat inside the atmosphere of Earth. Making it hotter all around the word
13. The uppermost top layer of soil
20. Watering of the land, so that's its reading for agricultural uses