Unit 4 Human Impacts

_________________is the growth of towns and cities when people move from rural areas.

• Density

• Urbanization

• Distribution

• Supply and demand

_________________water that is frozen in a layer of soil.

• Core

• Hydroelectric

• Aquifer

• Permafrost

________________pollution that comes from ONE specific site.

• Point source

• Non-point source

• Eutrophication

• Chemical

_______________is the increase in the amount of nutrients in water.

• Biological pollution

• Wastewater

• Eutrophication

• Acid rain

________________pollution that comes from many small sources.

• Point source

• Non-point source

• Water

_________________is water that is safe to drink.

• Potable

• Dissolved

• Turbidity

• Ph level

____________________is a body of water that usually forms behind a dam.

• Aqueducts

• canals

• Reservoir

• Lake

_____________________is the process by which human activity and natural processes damage the land.

• Urban sprawl

• Erosion

• Land degradation

• Urbanization

_______________________is the process by which land becomes more like a desert and unable to support life.

• Deforestation

• Desertification

• Eutrophication

• Degradation

_____________________is the removal of trees and other vegetation.

• Deforestation

• Desertification

• Erosion

• Canopy