Which of the following types of forest management is closest to sustainable forestry principles?
A) Shelter-wood cutting and selective cutting
B) Selective cutting and clear-cutting
C) Clear-cutting and shelter-wood cutting
D) Clear-cutting followed by burning the cut areas
A
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Which of the following best represents potential energy?
A) Cars stopped at an intersection B) Sunlight shining on people on a beach C) A charged battery in a flashlight D) A breeze blowing across the top of a lake
Why was Times Beach, Missouri, evacuated in 1983?
A) Soils had eroded so deeply in a large rainstorm that streets were irreparably damaged. B) Soils had become contaminated with dioxin. C) Soils had become infertile because of excessive agricultural use. D) Expansive soils damaged most of the buildings in town.
Which of the following best represents kinetic energy converted to potential energy?
A) A windmill pumping water up into a water storage tank B) Plants capturing sunlight to produce sugars using photosynthesis C) Turning on a flashlight D) Pulling a boat up onto a shoreline
The series of bedforms present with increasing Froude number consists of:
a. dunes, ripples, antidunes, plane bed b. ripples, dunes, antidunes, plane bed c. dunes, ripples, plane bed, antidunes d. ripples, dunes, plane bed, antidunes