What is the name for the type of plowing farmers use when they plow their fields along the curves of a slope instead of in straight rows which helps slow water runoff?

What is the process that breaks down rock and other substances?

Which horizon do you find topsoil in?

What do you call the wearing away of rock by rock particles carried by water, ice, wind or gravity?

What process causes rust?

Which of these is smallest, silt, gravel, clay, sand?

In which environment does weathering occur fastest?

What is the solid layer of rock beneath the soil called?

What do we call when water freezes in a crack in a rock, expands, and makes the crack bigger?

What consumes dead plants an animals?

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