21. placing a value up on soil with regard to a specific function purpose or use leads to the concept of _______
a. soil activity
b.soil diversity
c. soil productivity
d. soil quality
22. whick of the following statements does not describe dynamic soil quality?
a.it is affected by human management and natural disturbances
b. it is how soil changes depending on how it is managed
c. it is permanent and does not change easily
d. it is the focal point of assessing and maintaining healthy soil resources
23. it is the weight per unit volume of dry soil
a. bulk density
b. compaction
c. infiltration
d. workability
24. water infiltration and water availability are example of ________soil quality indicators
a.biological
b. chemical
c. physical
d. visual
25. biological soil quality indicators provide information about _______
a.levels of soil contaminants
b. organisms that form the soil food web
c. plant health and nutritional requirements
d. soil hydrologic characteristics




answer this all question and i give you 40 pointz salamat​