Earth and Environmental Science Unit 4 Test Questions & Answers
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Course
Earth and Environmental Science
Institution
Earth And Environmental Science
Three types of wells - ANSWERS- Dug
- Driven
- Drilled
Dug wells - ANSWERSDigging with a pick and shovel
Driven wells - ANSWERSDriving a small diameter pipe into the soft earth
Drilled wells - ANSWERSRotary drill bits mounted on a truck, chew away at the Earth, percussion bits that smash...
Earth and Environmental Science Unit 4
Test Questions & Answers
Three types of wells - ANSWERS- Dug
- Driven
- Drilled
Dug wells - ANSWERSDigging with a pick and shovel
Driven wells - ANSWERSDriving a small diameter pipe into the soft earth
Drilled wells - ANSWERSRotary drill bits mounted on a truck, chew away at the Earth,
percussion bits that smash the rock
Negative effects of groundwater depletion - ANSWERS- Lowering of water table
- Increased costs for the user
- Reduction of water in streams and lakes
- Land subsidence : a loss of support below ground
- Deterioration of water quality
Pros of Dams - ANSWERS- hydroelectric power
- controlling waterways
- great source of irrigation
- environmental protection
Cons of Dams - ANSWERS- risk of sediment buildup
- damaging to environment
- erosion of surrounding soil
- high cost and risk for disaster
Consumptive Water Use - ANSWERSWater use in which the water is lost to the
ecosystem
Non-Consumptive Water Use - ANSWERSWater use that recycles and doesn't use up
the water supply
Irrigation used by farmers - ANSWERSWasteful and Non-Wasteful
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