A) The roots of plants hold the soil in place, so it won't erode away. B) Soil conservation does not work. Humans cannot prevent erosion
A) corn B) sand C) clay D) loam
A) dirt B) grains of rock C) soil properties D) soil facts
A) clay B) loam C) humus D) sand
A) Loam B) Clay C) Sand D) Humus
A) bedrock B) subsoil C) topsoil
A) It is not a good soil to grow plants in. B) It holds water well. C) It can be used in gardens as a fertilizer. D) It comes in many different colors.
A) loam B) sand C) clay D) humus
A) helps to fertilize soil B) is light in texture C) plants cannot grow in it D) has dark color
A) sand B) humus C) clay D) loam |