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