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