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Hydrosphere Test Review
Test Description: Hydrosphere Test Review part I of IV
Instructions: Answer all questions to get your test result.
1) Which source of water pollution includes oil and gasoline discharge from automobiles and storm sewer drainage?
A
agriculture
B
sedimentation
C
urban runoff
D
bacteria
2) For which of the following would SONAR technology be most likely used in the ocean?
A
to test pH levels of ocean water
B
to measure water depth
C
to find the dissolved oxygen content in the ocean
D
to find water temperature
3) If a body of water has high turbidity levels, what can most likely be concluded?
A
it is too hot to drink
B
it contains a lot of chemicals
C
it is unsafe to drink
D
it has a low pH
4) Dissolved gases are important in the ocean because they.....
A
help control pollution
B
help maintain a constant water temperature
C
ensure constant levels of salinity
D
provide oxygen for aquatic animals
5) Which best describes a bioindicator?
A
a species that has a short life span
B
a species that can adapt to a variety of conditions
C
a species that depends one specific conditions to survive
D
a species that has been introduced into an ecosystem
6) What happens to water molecules during the boiling process
A
they move faster and farther apart as they lose heat
B
They move faster and remain close together as they absorb heat
C
They move more slowly but move farther apart as they lose heat
D
They move faster and move farther apart as they absorb heat
7) Which will most likely result if there is increased upwelling in a coastal area?
A
fewer nitrates
B
higher water temperatures
C
more aquatic life
D
less nutrients in the water
8) In which oceanic zone do clams and crabs survive by burrowing in the sand?
A
deep ocean
B
oceanic
C
intertidal
D
open ocean
9) What is it called when coastal communities purchase water from other sources?
A
environmental stewardship
B
excess nutrient input
C
point source pollution
D
economic tradeoff
10) Which best determines the health of a lake used as a source of fresh water?
A
its location and depth
B
its depth and width
C
its temperature and depth
D
its temperature and pH
*select an answer for all questions
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