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