The movement of this body aids in the formation of soil.
solar system rain streams forces body politic human nature river wind
A B C D E F G H
Rivers erode the rocks they flow over.
Rivers aid in the formation of soil.
The movement of this body aids in the formation of soil. (A) solar system (B) rain (C) streams (D) forces (E) body politic (F) human nature (G) river (H) wind