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