Soils Are Considered Part of the ________

Q67: The smallest-sized pieces of a soil are

Q68: Ultisols generally lack _.<br>A) clay<br>B) iron<br>C) humus<br>D)

Q69: Three-quarters of the soil's metabolic activity is

Q70: The process of eluviation in soils is

Q71: A dark color is a sure indication

Q73: Shale regolith produces coarse-textured soil and limits

Q74: This soil order is developed from volcanic

Q75: The measure of acidity/alkalinity in soils is

Q76: Seeds germinate mainly in the _ horizon.<br>A)

Q77: A soil with a large percentage of