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