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