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