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