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