Lithogenous sediments are only found near continental margins. Select one: True

Question

Lithogenous sediments are only found near continental margins.

Select one:

True

False

Question 7

Surface ocean currents move in the same direction as the wind above them.

Select one:

a. True

b. False

Question 8

The Gulf Stream is an example of a

Select one:

a. Eastern boundary current

b. West Wind Drift

c. Western boundary current

d. Circumpolar current

Question 9

What is the main feature depicted in this bathymetric chart?

Select one:

a. A depression in the seafloor

b. An undersea mountain

c. The Mariana trench

d. The Hawaiian islands

Question 10

Which factors control the density of seawater?

Select one:

a. Temperature, salinity

b. Salinity, turbidity

c. Oxygen content, turbidity

Question 11

What is the rate at which potassium (K+) is added to the ocean?

Residence time of K+ in ocean: 12,000,000 years

Concentration of K in ocean: 0.38 g/kg

Amount of seawater: 1.37×1021 kg

Select one:

a. 1.1 * 10^14 g/yr

b. 3.6 * 10^21 g/yr

c. 3.2 * 10^7 g/yr

d. 8.8 * 10^16 g/yr

e. 4.3 * 10^13 g/yr

Question 12

The California Current is caused by:

Select one:

a. thermohaline circulation

b. coastal upwelling

c. El Nino

d. gyre circulation

Question 13

Why do most hurricanes in the tropics move toward the west?

Select one:

a. westerly winds

b. trade winds

c. jet stream

d. Ferrel cells

Question 14

Which surface ocean conditions are most likely to be indicative of upwelling?

Select one:

a. warm and high productivity

b. cold and low productivity

c. cold and high productivity

d. warm and low productivity

Question 15

Which of the following statements about seawater is TRUE?

Select one:

a. Carbon dioxide from the atmosphere can dissolve in seawater.

b. Salinity is defined as the amount of dissolved sodium and chloride in seawater.

c. Dissolved solids make up 0.03% of seawater.

d. Ocean salinity is slowly increasing because rivers deliver salts to the ocean but the salts cannot be evaporated.

e. All of the above

Question 16

The lithosphere includes both the crust and the upper-most portion of the mantle.

Select one:

True

False

Question 17

How much energy would be required to raise the temperature of 10 g of pure water from liquid water at 90°C to water vapor at 100°C? The following values may be useful for this problem: heat capacity of liquid water = 1 cal/g ºC; heat capacity of water vapor = 0.5 cal/g ºC; latent heat of vaporization for water = 540 cal/g

Select one:

a. 100 cal

b. 540 cal

c. 5500 cal

d. 600 cal

e. 5400 cal

Question 18

  ______ is a measure of distance north or south of the equator, while _____ is a measure of distance east or west of the Prime Meridian.

Select one:

a. Longitude, Latitude

b. Elevation; Longitude

c. Latitude; Longitude

d. Circumference; Radius

Question 19

Which of the following is an example of hydrogenous sediment?

Select one:

a. calcium carbonate ooze

b. manganese nodules

c. wind-blown dust

d. diatom shells

Question 20

Continental crust floats on the mantle, but ocean crust does not.

Select one:

True

False

Explanation / Answer

6)True

7)False - because of Coriolis effect

8)C

9)

10)A

11)

12)A

13)B

14)C

15)C

16)True

17)

18)C

19)B

20)False

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