What is the difference between a rock and a mineral? What will be an ideal response?
A rock is an aggregate of minerals. Minerals are naturally occurring, inorganic, crystalline solids that
have definite physical and chemical properties.
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Garbage produced directly by households and businesses accounts for ____ of the solid waste produced in the United States
a. less than 2% b. 5% c. 10% d. 15% e. 20%
In the Northern Hemisphere about _____ percent of the surface is land.
a - 39 b - 13.9 c - .039 d - 91 e - 76
Shadow pricing could be used to estimate the
A) deterioration and replacement costs of materials. B) reduced cost of providing health care. C) cost of cleaning up an oil spill. D) value of an endangered species of plant.
The first wave that forms when the wind begins to blow across the ocean surface is a ________
A) capillary wave B) seiche C) tide D) tsunami E) wind waves