What Does the Deep Red Color in This Soil Profile

question 90

Multiple Choice

What does the deep red color in this soil profile suggest?

• A)Magnesium is present because the area was recently submerged beneath a shallow sea
• B)Glaciers have scoured the landscape
• C)Iron-bearing minerals have been leached downward
• D)The soils are water logged most of the time
• E)There is an extreme amount of organic material throughout the profile

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Definitions:

Investment

Allocation of resources, usually financial, in assets or projects expected to yield returns over time.

Chebysheff's Theorem

A statistical rule stating that for any dataset, regardless of distribution, a certain proportion of values will fall within a specified number of standard deviations from the mean.

Empirical Rule

A statistical rule stating that for a normal distribution, nearly all data will fall within three standard deviations of the mean.

Distribution

Refers to the way in which values in a dataset are spread out or distributed.