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185. What Is Water Pollution?
Test Description: ScienceStudyGames.com
Instructions: Answer all questions to get your test result.
1) The substances mankind has thrown away have polluted the lakes, rivers, and even ____________.
A
streams
B
animals
C
oceans
D
ponds
2) An estimated 10%, or 100 million people on earth do not have access to clean_________________________.
A
food supply
B
homes
C
medical help
D
drinking water
3) The main problem with drinking untreated water is that it can carry _______________ that makes people very sick.
A
fertilizer
B
feces
C
chemicals
D
bacteria
4) Rivers and streams can be_______________ by poorly managed dumping sites around them.
A
destroyed
B
contaminated
C
polluted
D
restored
5) Chemical fertilizers are much more dangerous to the water supply than ____________ fertilizers, like manure.
A
chemical
B
inorganic
C
organic
6) Chemical fertilizers run into lakes and streams causing eutrophication, an overgrowth of ____________.
A
fish
B
oxygen
C
plant life
D
algae
7) If heavy metals, such as lead and mercury, end up in our lakes many animals will die.
A
False
B
True
8) Radioactive waste, both stored above ground and underground , can be dangerous if there are leaks. This leak would contaminate both animals and humans.
A
True
B
False
9) Huge amounts of plastic dumped into the oceans by ships have made it dangerous for birds and oher ____________animals.
A
native
B
marine
C
hibernating
D
swimming
10) Heat can also act as a pollutant to the rivers and oceans because it changes the ________________of the water.
A
pollutants
B
habitat
C
ecosystem
D
algae count
*select an answer for all questions
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