A) Soil conservation does not work. Humans cannot prevent erosion
B) The roots of plants hold the soil in place, so it won't erode away.

A) clay
B) sand
C) loam
D) corn

A) soil properties
B) grains of rock
C) soil facts
D) dirt

A) loam
B) clay
C) sand
D) humus

A) Sand
B) Clay
C) Loam
D) Humus

A) subsoil
B) topsoil
C) bedrock

A) It comes in many different colors.
B) It is not a good soil to grow plants in.
C) It holds water well.
D) It can be used in gardens as a fertilizer.

A) clay
B) sand
C) loam
D) humus

A) has dark color
B) helps to fertilize soil
C) plants cannot grow in it
D) is light in texture

A) humus
B) loam
C) sand
D) clay