Because pesticides and chemical fertilizers can harm crops
Answer:
I think the answer should be 51
Answer:
Explanation:
5. The earth’s surface from the edge of the continent to the deep of the ocean
Continental shelf
The continental shelf is a part of the seafloor. This is closest portion of the seafloor to the land.
6. The rock portion of the earth’s surface
lithosphere
The lithosphere is made up of the crust and upper part of the mantle. Most of the rocks on earth are found in the lithosphere. Below the lithosphere is the asthenosphere
7. The part of the earth where plants and animals live
biosphere
The region of earth where all life forms can be found is the biosphere.
8. A fracture in the earth’s crust
Faults
A fault is a fracture within the earth's crust. It is formed as a result of brittle deformation of the earth.
9. Underground water-bearing layers of porous rock, sand or gravel
Aquifer
An aquifer is a porous and permeable formation within the earth that bears ground water.
10. To remove the salt from ocean water or groundwater
Desalination
In areas where the only source of water is ocean water, desalination is important because the saltiness of the water can be removed by this process.
I would say B because of their population
