Question

based on this selection, what is needed for a canal to form? a people building dams b sand settling on the ocean floor. c rocks moving in water d light rain for a day or two

Explanation:

Canals are man - made waterways. Building dams is not directly related to canal formation. Sand settling on the ocean floor and rocks moving in water are natural processes not related to canal formation. Light rain for a day or two is also not a factor in canal formation. Canals are formed by human construction.

Answer:

There is no correct option among A, B, C, D as canals are formed by human construction efforts like digging and engineering works.