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What is a material found on the surface of the earth consisting of rock, sand, clay, dead plants, and animal remains?

• silt

• soil

• bedrock

• loam

What is a soil made up of very small broken pieces of rock?

• soil

• loam

• silt

• bedrock

Which soil has the smallest particles?

• clay

• loam

• sand

• silt

What is the layer of rock that is below the soil?

• subsoil

• topsoil

• humus

• bedrock

Which soil has the largest particles?

• clay

• sand

• loam

• silt

What do plants and animals need to grow?

• nutrients

• soil

• loam

• humus

What is the middle layer of soil which is a combination of soil and rocks?

• humus

• subsoil

• topsoil

• bedrock

What is the layer under the Humus that provides support and nutrients to plants?

• humus

• bedrock

• topsoil

• subsoil

What is the top layer of soil made up of broken down pieces of dead plants and animals?

• bedrock

• humus

• topsoil

• subsoil

What soil is a mixture of sand, silt, and clay?

• soil

• silt

• clay

• loam