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