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