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