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