Vocabulary

Thick and heavy soil, often red in color.

• loam

• clay

• sand

A mix of clay, sand and humus: best for growing plants.

• erosion

• chemicals

• loam

Black soil that comes from dead plants and animals.

• clay

• humus

• sand

Dangerous man-made things and poisons.

• erosion

• chemicals

• loam

Dry and hard soil that comes from rocks broken over time.

• clay

• loam

• sand

Resources that can run out.

• exhaustible

• inexhaustible

• renewable

Resources that do not run out

• exhausitible

• inexhaustible

• renewable

A resource that can be used but more can be made over time.

• exhaustible

• inexhaustible

• renewable