Why are minerals important economically? What effect does the distribution of minerals have on the
economic well-being of nations? What will be an ideal response?
Minerals and rocks are used for fertilizer and animal feed supplements, for energy, and for
commodities. Nations that are rich in economically valuable minerals are likely to be economically
successful, and the distribution of minerals, rocks, and energy resources affects foreign relations and
the economic ties between nations
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Place a check mark in the rock type column that corresponds to the process that could form or alter that rock.
Earth’s ____________ was formed from an ejection of debris caused by the collision of a planetary body with Earth. Fill in the blank(s) with the appropriate word(s)
Why are genetic diseases more likely in the offspring of closely related parents than in the general population?
A) There is a greater likelihood that one parent carries a dominant gene for a disease. B) There is a greater likelihood that both parents carry a dominant gene for a disease. C) There is a greater likelihood that one parent carries a recessive gene for a disease. D) There is a greater likelihood that both parents carry a recessive gene for a disease.
What is necessary for a mass of ice to be considered a glacier?
A. located in a polar region B. ice that moves or flows C. located in a sloping area D. ice that is hard compacted E. located only in inland areas