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) sand C) loam D) clay
A) dirt B) soil facts C) soil properties D) grains of rock
A) loam B) humus C) clay D) sand
A) Loam B) Humus C) Clay D) Sand
A) subsoil B) bedrock 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) clay C) sand D) humus
A) helps to fertilize soil B) is light in texture C) has dark color D) plants cannot grow in it
A) loam B) humus C) clay D) sand |