They build mountains. They cause earthquakes. They move sand, creating sandbars. They create inland saltwater rivers.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Long shore currents are ocean waves that strike beaches at extremely small angles. In areas where long shore currents exist, what effect do they have on land areas?
Possibilities:
- They build mountains.
- They cause earthquakes.
- They move sand, creating sandbars.
- They create inland saltwater rivers.

They move sand, creating sandbars.