Water Quality Question Preview (ID: 37679)
6.9.
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What causes sediment from construction sites to get in rivers and streams?
a) high ph
b) nitrates
c) eutrophiciation
d) weathering and erosion
Sewage from our homes goes to
a) water treatment plant
b) storm drain
c) the ocean
d) a reservoir
Which instrument is used to measure water clarity?
a) secchi disk
b) pH strip
c) thermometer
d) hydrometer
Amount of dissolved salt in water is called
a) turbidity
b) salinity
c) pesticides
d) algae
The health of an ecosystem is directly related to
a) water quality
b) plants
c) sludge
d) animals
Which is NOT a way to test water quality?
a) humidity
b) dissolved oxygen
c) pH
d) salinity
Excessive nutrients cause
a) high temperatures
b) lower temperatures
c) low dissolved oxygen
d) high dissolved oxygen
What is a safe pH for aquatic life?
a) 1-3
b) 4-5
c) 6-9
d) 10-14
Oxygen in the water comes from the atmosphere and
a) fish breathing
b) teenage mutant ninja turtles
c) animals
d) plants
In an excellent stream there would be a high number of
a) dissolved oxygen
b) turbidity
c) salinity
d) macroinvertebrates
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