How is Soil Formed

Soil is the foundation of ___________.

What is NOT an element that weathers rock?

• wind

• gravity

• rain

• temperature

As rocks erode, what carries them away?

• wind and water

• minerals and water

• animals and humans

• water and humans

Leaves, plants, and other decomposed animals (organic materials) turn into what?

• organic matter

• organic material

• sedimentary layers

• organic layers

What are the layers known as in the soil?

What breaks down organic matter?

• plants

• humans

• microorganisms

• water

Soil sustains __________ on Earth.