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Q 1/30
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1. Which of the following best describes the characteristics of a river basin?
30
The land formed when rivers form estuaries and marshes
The land at the mouth of a river where water flows into the ocean
The land drained by a river and its tributaries.
Only the water in the river.
Q 2/30
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2. What is the difference between cohesion and adhesion?
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Cohesion is water's tendency to stick to other things, while adhesion is water's tendency to stick to other water molecules.
Cohesion explains high specific heat while adhesion explains a universal solvent.
Cohesion is water sticking to things and adhesion is things other than water sticking to other things.
Cohesion is water's tendency to stick to other water molecules, while adhesion is water's tendency to stick to other things.
30 questions
Q.
1. Which of the following best describes the characteristics of a river basin?
1
30 sec
Q.
2. What is the difference between cohesion and adhesion?
2
30 sec
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3. What are the main functions of an estuary?
3
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4. Water is considered a(n) _____________________________ because it will dissolve most substances.
4
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5. What represents the correct distribution of water on Earth?
5
120 sec
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6. Which of the following is an example of capillary action?
6
120 sec
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7. Water in __________________ is described as being "brackish", which means that it is a mix of salty and fresh water.
7
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8. Which of the following will probably occur when an upwelling happens near a coastal area?
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9. What is one of the hardest ocean areas for ocean animals to adapt to?
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120 sec
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10. Which two processes from the water cycle can change the ocean's salinity the most?
10
120 sec
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11. Which of the following statements about dissolved gases is true?
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12. Which body of water is the healthiest based on its water qualities?
12
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13. Why is water from an aquifer likely to be cleaner than water from other freshwater sources?
13
120 sec
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14. What is one way that the health of an aquifer can be checked?
14
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15. Which two factors can have the GREATEST affect on the health of a river system?
15
120 sec
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16. What describes how much acid is present in water?
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17. Water pennies are macroinvertebrates with a low tolerance for pollution while leeches have a higher tolerance for pollutants. Creek A has many macroinvertebrates including water pennies. Creek B has no water pennies, but many leeches. What can you assume about the quality of water in these two creeks.
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18. Ammonia from animal waste is a chemical with a basic pH. Which of the following could be the pH of a river near a farm after a rainstorm?
18
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19. Put the steps of eutrophication in the correct order.
19
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20. Why is chlorine important in the water treatment process?
20
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21. What can happen to water quality in a river where nearby construction is happening?
21
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22. Which of the following lists the steps of water treatment in the correct order?
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23. What is it called when deep ocean currents bring nutrients and cooler water to the surface of the ocean?
23
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24. Creatures in the deep ocean near hydrothermal vents receive no sunlight to make food with. How do they make their food?
24
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25. Which government agency in the United States is responsible for keeping our drinking water safe?
25
120 sec
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26. Why does a water molecule act the way it does (the water properties)?
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27. How does the amount of water present on Earth today compare with the amount of water present when the dinosaurs ruled the Earth?
27
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28. If I wanted to go fishing for trout which need high dissolved oxygen, where would be the best place in NC to go?
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29. Where is most of our fresh water located on Earth?
29
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30. If I went in the ocean to where the pressure was high, there was no light, and cold temperatures, what part of the ocean would I go to?
