A) The roots of plants hold the soil in place, so it won't erode away. B) Soil conservation does not work. Humans cannot prevent erosion
A) corn B) loam C) clay D) sand
A) soil properties B) grains of rock C) dirt D) soil facts
A) clay B) loam C) humus D) sand
A) Loam B) Sand C) Humus D) Clay
A) bedrock B) topsoil C) subsoil
A) It holds water well. B) It comes in many different colors. C) It can be used in gardens as a fertilizer. D) It is not a good soil to grow plants in.
A) humus B) loam C) clay 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) humus C) sand D) clay |