Question

Most U.S. beaches are shrinking or encroaching on the land rather than growing or moving seaward, so the land of the U.S. is getting smaller, not bigger. Which of the following is a likely cause for loss of at least some of our beaches: Group of answer choices

a. Sea-level rise as the last ice age
b. drained river valleys to destroy bays,
c. so sediment now is taken to the coast to feed beaches rather than being trapped in bays.

Answer 1

Answer:

b

Explanation:

as the water drains, it carries sediments with it meaning that little by little our land decreases

Answer 2

The most likely cause for loss of at least some of our beaches is that Sea-level rise as the last ice age

When there is a rise at sea level, beaches are pushed landward unless something happens to offset this tendency.

There is a world sea level dated back to 110,000 years ago to about 20,000 years ago.

Sea-level rise do influence the natural shoreline in a lot of ways. Higher water levels wipe away beaches, dunes, and cliffs. There is an increase the salinity of estuarine systems, removing existing coastal plant and animal communities.

Conclusively, When the ground were rising from injection wells, then the land would be getting bigger.

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