Forest fires result in sufficiently high soil temperatures to cause the vaporization and movement of certain organic compounds in soils. The main effect of these compounds is to ________
A) increase soil organic matter
B) increase pH
C) enhance soil structural stability
D) reduce water infiltration and percolation through the profile
E) decrease water losses by surface runoff
D
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Productivity is defined as the ratio of ________ to ________.
Fill in the blank(s) with the appropriate word(s).
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Discuss the five planting systems that are commonly used for strawberries,
including the advantages and disadvantages of each.
What will be an ideal response?
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A change of texture or color is advisable at the top and bottom of a set of steps for what practical reason?
a. safety c. aesthetics b. theme d. design emphasis
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A term used to describe ____ is repeatability.
A. accuracy B. precision
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