Soil composition and horizons vary depending on climate.

The statement is correct. Weathering is when rocks degrade and give rise to sediments that are transformed into horizons and soil. What contributes to weathering is fundamentally the weather. Therefore, the climate influences the formation of the horizon and the ground, because over time the variation of temperature, wind pressure and frequency of rain shape the geography of a space.

all these collisions do one thing, and that thing is explained in the last option. when dusst, rocks and ice collide, they harden and form giant layers of rocks or hard ice.

d)   to harden materials to form different parts of earth’s layers

hope it ,

bioteacher101