What can farmers do if they donโt live near a water source?
Irrigate crops with water that is brought through pipes from lakes, streams, and rivers. Farmers may also use an aquifer to get water.
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5
How did people solve the problem of using more water from the Ogallala Aquifer than was being replaced?
They used large machines to dig and connect tunnels so water wouldnโt evaporate. They improved irrigation systems to waste less water.
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lifesaver
Give 20 points!
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magnet
Take 25 points!
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fairy
Take points!
5
10
15
20
25
baam
Lose 20 points!
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5
What are some ways people might need to adapt THEMSELVES to their environment?
Wearing different clothes, use more or less heat or a/c in your home, go to different outdoor places for fun
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5
An underground layer of porous rocks that holds water
Aquifer
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5
What are two ways people use technologies?
To change the land and to conserve resources
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5
What is the difference between renewable and nonrenewable sources of energy?
Renewable sources of energy are resources that can be used over and over. Nonrenewable sources of energy are limited in supply and may run out in the future.
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5
Factories can reduce that amount of pollution they release by sending the polluted air through a _______________.
Scrubber
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To change to fit a new set of conditions
Adapt
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What are some renewable sources of energy?
Wind, sunlight, ocean waves/water
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The use of tools and scientific knowledge to do work.
Technology
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5
What are some ways people in the past changed their environments?
Native Americans burned the land to clear it for the crops and animals; Early settlers cut down forests for planting