10 points best answer Earth Science?

1. Which of the following is a chemical property of seawater? (Points: 3)
temperature
depth
salinity
density

2. Two divers are swimming in clear ocean water at a depth of 150 m. The first diver is wearing a white wetsuit. When the second diver sees the first diver at that depth, which of the following colors would he see? (Points: 3)
red
orange
violet
blue

3. Which of the following may add salt to ocean waters? (Points: 3)
volcanic eruptions

chemical precipitation

evaporate deposition

biological precipitation

4. Which of the following areas might have the highest salinity? (Points: 3)
areas near the equator
areas near continents where freshwater rivers enter the ocean
areas in the halocline
areas near the poles

5. Which of the following factors most influence the temperature of seawater? (Points: 3)
depth and density
depth and salinity
salinity only
latitude and depth

6. In which environment would you find dolphins? (Points: 3)
sublittoral
rocky shore
pelagic
abyssal

7. Which is the most anaerobic zone in the ocean? (Points: 3)
thermocline
deep oxygenated zone
sediment on the ocean floor
surface waters

8. A cold-tolerant and salt-tolerant type of crab would likely be found in which part of the ocean? (Points: 3)
deep zone
polar zone
surface-mixed zone
transition zone

9. A halocline is a boundary between changing regions of which of the following properties? (Points: 3)
salinity
density
sound velocity
temperature

10. Which of the following live in the pelagic zone? (Points: 3)
crabs
fish
sea birds
plants

11. Which of the following is responsible for deep ocean circulation? (Points: 3)
wind

Coriolis force

density differences

friction
Please help Im desprate!

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1 Comment

  1. subopolois says:

    1. salinity
    2. blue
    3. volcanic eruptions (not much though)
    4. equator
    5. latitude and depth
    6. sublitoral
    7. sediment on ocean floor
    8. deep zone
    9. salinity
    10. plants
    11. density differences

    ... on July September 18th, 2010

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