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Q 1/30
Score 0
Which of the following is a point-source pollutant?
30
acid rain
sewage plant
runoff from lawns
nitrogen in the air
Q 2/30
Score 0
Which of these contain most of Earth's water?
30
Oceans
glaciers
lakes
rivers
30 questions
Q.
Which of the following is a point-source pollutant?
1
30 sec
Q.
Which of these contain most of Earth's water?
2
30 sec
Q.
A rock layer that collects and stores water is called
3
30 sec
Q.
Pamlico Sound is an estuary because it is
4
30 sec
Q.
What is the source of most of the salt in the ocean?
5
30 sec
Q.
Which region of the sea is affected by changes in the tides?
6
30 sec
Q.
What is a possible effect of high nutrient levels in water systems?
7
30 sec
Q.
A body of water that has high turbidity is
8
30 sec
Q.
Which of the following water pH levels is best for marine organisms?
9
30 sec
Q.
An algal bloom in a water system is most likely caused by
10
30 sec
Q.
Which body of water does not directly contribute water vapor into the atmosphere?
11
30 sec
Q.
Which of the following is not a source of fresh drinking water?
12
30 sec
Q.
The process of upwelling occurs as a result of
13
30 sec
Q.
What area of the ocean can contain hydrothermal vents?
14
30 sec
Q.
Which of the following does not contribute to the saltiness of the ocean?
15
30 sec
Q.
What happens when there is an excess of nitrates in the water?
16
30 sec
Q.
Macroinvertabrates that thrive in polluted water are
17
30 sec
Q.
Which of the following is NOT a good way to conserve water?
18
30 sec
Q.
An ice cube is put into a heated pan. What will most likely happen to the molecules in the ice as the ice is heated?
19
30 sec
Q.
Which will most likely result if there is increased upwelling in a coastal area?
20
30 sec
Q.
In which oceanic zone do clams and crabs survive by burrowing in the sand?
21
30 sec
Q.
In the United States, which is responsible for ensuring the safety of the country’s drinking water?
22
30 sec
Q.
Which is able to give the most detailed information about the topography of a large area on the ocean floor?
23
30 sec
Q.
Which area of deep ocean research provides the most economic benefit?
24
30 sec
Q.
Which best describes the relationship between salinity levels and the amount of dissolved gases in ocean water?
25
30 sec
Q.
Why should pH tests be conducted frequently to monitor the health of local streams?
26
30 sec
Q.
Who would most benefit from being educated in water stewardship?
27
30 sec
Q.
Light does not reach the bottom of the ocean, yet certain species live there. Which best explains how species on the bottom of the ocean get energy to live?
28
30 sec
Q.
Rainbow trout are found in mountain streams and are sensitive to changes in their habitat. Which would be the best description for the use of rainbow trout in water quality testing?
29
30 sec
Q.
Why do lakes, rivers, and streams most likely require more treatment than groundwater?
