Multiple choice

Minerals and debris that settle at the bottom of rivers

  1. Soil

  2. Rocks

  3. Sediment

  4. Mekong

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sediment consists of solid material, such as minerals and organic debris, that is transported and deposited by water or wind. Soil and rocks are broader terms, and the Mekong is a river.