Soil Like a Cake: Order of Ideas

Which of these ideas comes first in the passage?

• A.Below that is subsoil, which has fewer nutrients and holds water.
• B.The deepest layer is called bedrock, made of solid rock.
• C.Soil has different layers, just like a cake!

What comes right after this sentence: “Below that is subsoil, which has fewer nutrients and holds water.”

• A.For example, when it rains, topsoil helps the water soak into the…
• B.The deepest layer is called bedrock, made of solid rock.
• C.The top layer, called topsoil, is rich in nutrients and helps plants…