Which naturalist stated that regulated hunting can maintain a proper balance of wildlife?
A. Rachel Carson
B. Lewis Thomas
C. John Muir
D. Aldo Leopold
Answer: D
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Which type of radiation is being emitted in the following incomplete nuclear equation: Pb ? Bi +?
A) alpha B) beta C) gamma D) A and B E) none of the above
Xeriscaping is a water conservation technique commonly used in landscaping. What best describes xeriscaping?
A. use of x-rays to reduce evaporation B. use of high-water content soils C. replacing porous surface materials with solid surfaces D. use of native vegetation E. use of low-evaporation soils
Obsidian (volcanic glass) is an example of a clastic rock.
Answer the following statement true (T) or false (F)
Which agricultural practice is considered high-input?
A. industrialized agriculture B. traditional intensive agriculture C. traditional subsistence agriculture D. industrial subsistence agriculture