Which of the following would not be a cause of beach erosion?

a. restricting sand supply to the beach.
b. building sea walls.
c. fine weather and calm waves in summer.
d. severe winter storms and heavy waves in winter.

C. fine weather and calm waves in summer

Explanation:

definitely would not be a cause of beach erosion!

Option C

Explanation:

Beach erosion can be defined as the erosion of the sand by the waves. These sand particles on the beach is eroded naturally due to high waves and severe strong winds and waves.

There are many other reasons because of which the beach erosion can take place. Building of sea walls, restricting the sand supply are some of them.

If there is fine weather and calm waves which is not enough strong to erode sand then it will not cause beach erosion.

c) up is the direction the magnetic force is acting on the charge.