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) corn B) loam C) sand D) clay
A) soil facts B) soil properties C) dirt D) grains of rock
A) humus B) loam C) clay D) sand
A) Sand B) Clay C) Humus D) Loam
A) subsoil B) topsoil C) bedrock
A) It can be used in gardens as a fertilizer. B) It is not a good soil to grow plants in. C) It holds water well. D) It comes in many different colors.
A) loam B) sand C) humus D) clay
A) plants cannot grow in it B) has dark color C) is light in texture D) helps to fertilize soil
A) sand B) humus C) loam D) clay |