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) corn C) sand D) loam
A) dirt B) soil facts C) soil properties D) grains of rock
A) sand B) clay C) loam D) humus
A) Sand B) Loam C) Humus D) Clay
A) subsoil B) bedrock 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) humus C) clay D) sand
A) is light in texture B) helps to fertilize soil C) has dark color D) plants cannot grow in it
A) humus B) sand C) clay D) loam |