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15
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What is a one-point source pollution.
Pollution that comes from one specific place.
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heart
Other team wins 10 points!
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rocket
Go to first place!
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rocket
Go to first place!
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thief
Give points!
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25
15
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What causes nutrient depletion?
Farmers keep growing the same crop every year.
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15
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What is deforestation?
The removal of trees and other vegatation from an area.
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25
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Describe artificial eutrophication.
Human activity increases the nutrients in water. The nutrients cause an overgrowth of algae that reduces the oxygen in the water.
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heart
Other team wins 25 points!
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gift
Win 5 points!
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rocket
Go to first place!
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lifesaver
Give 20 points!
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20
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How can we stop soil erosion?
By planting trees and shrubs, the roots will anchor the soil in place.
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15
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What causes desertification?
Livestock overgraze an area, removing all plants.
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banana
Go to last place!
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star
Double points!
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fairy
Take points!
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25
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baam
Lose 25 points!
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15
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Which type of water pollution is caused by dead organisms in the water?
biological pollution
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15
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What is soil erosion?
Soil erosion is the process by which wind, water, and gravity move soil from one place to another.
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25
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What causes land degradation?
urbanization, deforestation, poor farming practices (planting the same crop every year)
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15
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What is water quality?
Water quality is measured by how clean or polluted it is.
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trap
No points!
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fairy
Take points!
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25
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fairy
Take points!
5
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20
25
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lifesaver
Give 15 points!
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25
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Describe how acid rain forms.
Burning fossil fuels release carbon into the air. The carbon combines with the water in the cloud to form an acid. It then rains acid rain.
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15
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Why is water important?
It is vital for life.
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