Why does removal of logs and rocks from a beach endanger the sea cliffs behind them?
A) Waves can't get over the logs to get to the sea cliffs.
B) Waves have to be higher to reach over the logs and rocks to reach the sea cliffs.
C) Wave energy is taken up in moving the logs and rocks.
D) Logs bouncing up and down on the beach pound the grains together, making them more difficult to erode.
E) Logs and rocks break up the direct forward thrust of the waves, making them more erratic.
Correct Answer:
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