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) sand D) clay
A) dirt B) grains of rock C) soil facts D) soil properties
A) sand B) clay C) humus D) loam
A) Clay B) Sand C) Humus D) Loam
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 comes in many different colors. D) It holds water well.
A) clay B) loam C) sand D) humus
A) has dark color B) is light in texture C) helps to fertilize soil D) plants cannot grow in it
A) humus B) clay C) loam D) sand |