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15
×
Screening is a step in which process - water treatment or sewage treatment?
sewage
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15
×
Wetlands help people by:
Providing us with food, tanins, dyes, wood, flood control, pollution clean-up, etc.
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5
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Some medicines are derived from plants only found in wetlands. True or False?
True
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15
×
Name the watershed that is directly west of the Susquehanna watershed.
Ohio
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20
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Define watershed.
All the land that drains into one body of water.
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20
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What is another name for wetland soil.
Hydric soil
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10
×
Which PA watershed is a part of the Chesapeake Bay Watershed?
Susquehanna
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15
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Name the step of water treatment where sand, gravel and charcoal are used.
Filtration
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baam
Lose 25 points!
Oops!
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rocket
Go to first place!
Okay!
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fairy
Take points!
5
10
15
20
25
×
baam
Lose 5 points!
Oops!
15
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Name the water treatment step that uses chemicals that cause clumps to form.
Coagulation and flocculation
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5
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Water that leaves wetlands is dirtier than the water that flows into it. True or False?
False
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15
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Name the step in sewage treatment where bacterial are used.
Biological Treatment
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thief
Give points!
5
10
15
20
25
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shark
Other team loses 15 points!
Okay!
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shark
Other team loses 25 points!
Okay!
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lifesaver
Give 20 points!
Oops!
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seesaw
Swap points!
Oops!
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seesaw
Swap points!
Okay!
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rocket
Go to first place!
Okay!
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thief
Give points!
5
10
15
20
25
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lifesaver
Give 15 points!
Oops!
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gold
Win 50 points!
Okay!
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gift
Win 10 points!
Okay!
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baam
Lose 25 points!
Oops!
10
×
When writing numbers on a stream order diagram, two 3's equal:
4
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×
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