What are formed by soil, sand, clay and organic materials?
sedimentary rocks loose soil silts swamp vegetation dams fossil fuels coral reef waterways
A B C D E F G H
Soils are sand, clay, and organic deposits.
Sedimentary rocks are formed by soil, sand, clay and organic materials.
What are formed by soil, sand, clay and organic materials? (A) sedimentary rocks (B) loose soil (C) silts (D) swamp vegetation (E) dams (F) fossil fuels (G) coral reef (H) waterways