1. Salinity in the oceans is highest in regions where _______ is high and ______

Question

1. Salinity in the oceans is highest in regions where _______ is high and _______ is low.

A. Evaporation; Precipitation

B. Precipitation; Evaporation

C. Temperature; Evaporation

D. Precipitation; Temperature

2. The dissolved materials in ocean water originate from streams flowing from the continents and

A. Organisms in the ocean water

B. Evaporation of ocean water

C. Underwater volcanic eruptions

D. None of the above

3. The salinity of ocean water decreases with each of the following except _______.

A. Precipitation

B. Melting sea ice

C. Stream runoff

D. Evaporation

4. A rapid change in ocean water density with depth is known as the _______.

A. Thermocline

B. Pycnocline

C. Isocline

D. Barocline

5. Density of seawater is determined by

A. Temperature of the seawater

B. Salinity of the seawater

C. Both A and B

D. Neither A nor B

Explanation / Answer

1.B

2.C

3.A

4.D

5.B

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