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1. Which of the following is true of Barrier Islands? a. A lagoon and marsh typi

ID: 293738 • Letter: 1

Question

1. Which of the following is true of Barrier Islands?

a. A lagoon and marsh typically separates a barrier island from the mainland.

b. Barrier islands are temporary features and always changing shape.

c. Barrier islands migrate landward through time.

d. Barrier islands may originate as offshore bars.

e. all of the above

2. Sea level changes can be caused by which of the following processes?

a. plate tectonic activity

b. groundwater pumping

c. glacier melting

d. climate change

e. all of the possible answers are correct

3. Large scale ocean water movement driven by differences in temperature and salinity is called ___________ circulation.

a. gyre

b. Coriolis effect

c. upwelling

d. Gulf Stream

e. Thermohaline

a. A lagoon and marsh typically separates a barrier island from the mainland.

Explanation / Answer

1.The answer is e=all the above
they are seperated from mainland by lagoon and marsh
they migrate landward through time, may originate as ofshore bars and they always change their shape

2.The answer is e=all possible answers are correct
plate tectonic activity, ground water pumping, climate changee wnd glacier melting all cause the increase in sea level water.

3. The answer is e=thermohaline circulation
The differences in the water density which is resulting from variability temperature of water and salinity of it can also cause the ocean currents. This is known as the thermohaline circulation.