Which statement describes the first step in soil formation?
A. Small, simple plants begin to grow.
B. Humus begins to mix with sediment.
C. Organic material starts decomposing.
D. Parent rock breaks into smaller pieces.
THE FIRST STEP IN SOIL FORMATION IS THE WEATHERING. THE RATE OF WEATHERING DEPENDS ON THE STRUCTURE OF THE ROCK AND MINERALS THAT MAKE UP THE ROCK. IS SOIL THAT USUALLY DEVELOPS MORE QUICKLY AND WARM
