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