A process in which grazing cattle are confined with portable fencing to specific small areas for a short time and then moved is called
a. erosion control
b. rotational grazing
c. nutrient cycling
d. organic grazing
e. organizing grazing and erosion control
B
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The risk of a particular event is the product of the event's occurrence multiplied by the ________
Fill in the blank(s) with correct word
Which statement about generalists and specialists is true?
A. When environmental conditions are changing rapidly, a generalist is usually better off than a specialist. B. A specialist typically has a broader niche than a generalist. C. When environmental conditions are changing rapidly, a specialist is usually better off than a generalist. D. A generalist typically has a more narrow niche than a specialist. E. The habitat of generalists or specialists represent their niche.
Mistakes, or "(how to sacrifice your house to the fire gods)" include ________.
A. having a roof made of flammable wood shingles B. allowing tree limbs to hang over the roof C. locating your house on a slope D. storing firewood next to your house E. All of these choices are correct.
Which of the following is NOT true about groundwater flow?
A. Water moves from areas where the water table is highest to areas where it is lowest. B. In some igneous groundwater reservoirs, flow is determined by the orientation of fractures. C. Excess pumping from wells can cause subsidence and reduction of porosity. D. A decrease in the gradient (slope of the water table) increases the velocity.