Which of the following is the main reason that a delta forms when a stream flows into a lake or sea?
A)The stream flows backward during high tide.
B)Ocean waves push the sediment up onto the beach.
C)The velocity of the stream decreases.
D)The stream began downcutting during the ice ages.
E)None of these are correct.

Question

Quizplus · Accepted Answer

The main reason that a delta forms when a stream flows into a lake or sea is that the velocity of the stream decreases as it reaches the open water. This causes sediment to settle out and accumulate, eventually forming a delta. None of the other options listed are accurate explanations for how deltas form.

Which of the Following Is the Main Reason That a Delta