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

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

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

A) bedrock
B) topsoil
C) subsoil

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

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

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

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