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2.2 REVIEW

Teacher: Mrs. Dallimore
Horizontales
Mining method that uses large amounts of water against a river bank
Process that causes lake water to become acidic
There is a ___ of biodiversity when deforestation occurs.
Forms in bogs
Harmful chemicals released into the land, water, and air
The accumulation of toxic chemicals such as DDT in large animals over a long period of time
Used as a pesticide
Large population of people living in cities
Method used to extract gas and oil from sandstone and shale sedimentary rock
Fuels from living things
Chemicals that kill plants
Verticales
Chemical released when hydraulic mining for gold
Cutting down of all the trees
Acid formed when sulfate and water vapor combine
Causes increased levels of carbon dioxide in the atmosphere
When atoms split apart
Hydrocarbon, also called oil
This rain forms when nitrate combines with the water vapor in the atmosphere
Occurs when the density of herbivores is greater than the carrying capacity of the land
Energy source for nearly half the energy consumed in the United States
Type of coal with the highest concentration of carbon
This was lost by drought and tilling of Great Plain grasslands