Unit C Chapter 3

What is saving resources by using them carefully?

• resource

• conservation

• clay

What is soil that has small grains and holds water easily?

• loam

• topsoil

• clay

What are materials found in nature that living things use?

• humus

• resource

• bedrock

What is the richest layer of soil?

• bedrock

• clay

• topsoil

What is material made up of decayed parts of once living things?

• loam

• topsoil

• humus

What is the layer of solid rock under the soil?

• topsoil

• bedrock

• loam

What is rich soil with a lot of humus?

• compost

• loam

• strip cropping

What would turn to soil the fastest?

• bedrock

• compost

• topsoil

Some farmers plant rows of alfalfa between rows of corn. What is this called?

• countour plowing

• strip cropping

• conservation

Why is clay a good material for making pots?

• It has many nutrients

• It is sticky and holds water

• It is nice to decorate