Russian scientists were the first to develop the concept of soils as natural bodies. (True or false?)

Russian scientists were the first to develop the concept of soils as natural bodies.
 
  Indicate whether the statement is true or false

Question 2

Soil scientists generally map the soils in a landscape by sampling the soil in ________.
 
  A) pre-determined a grid-like geometric pattern of evenly spaced points
  B) a computer-calculated pattern of random points
  C) four soil pits, one dug in each corner of the area to be mapped
  D) auger holes made mostly near expected soil boundaries
  E) A and D

Question 3

In soils of which great group would you most likely find wide surface cracks during periods of dry weather?
 
  A) Argiaquolls
  B) Haplustox
  C) Calciusterts
  D) Kandiaquults
  E) Albaqualfs

Question 4

The map units on a detailed soil map on Web Soil Survey are most likely to be labeled with names from which category of Soil Taxonomy?
 
  A) great group B) subgroup C) series D) order E) suborder

Question 5

Which of the following statements is correct?
 
  A) Limestone parent materials enhance the process of acidification.
  B) Lacustrine parent materials have been subject to weathering for shorter periods of time than residual parent materials nearby.
  C) Nutrient cycling in forested areas contributes little to soil formation.
  D) Soils on hillsides tend to be deeper than those on level lands.
  E) Calcium carbonate accumulation is more prominent in humid than in arid regions.