Economically valuable mineral deposits occur in a variety of specialized geologic settings, including igneous, sedimentary, and metamorphic settings.
a. true
b. false
Ans: a. true
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According to the rock cycle, a sedimentary rock can be formed from a(n)____
a. igneous rock only b. sedimentary rock only c. metamorphic rock only d. igneous or metamorphic rock e. igneous, sedimentary, or metamorphic rock
In map projections, which of the following is NOT one of the possible distortions that can result?
A) location B) shape C) distance D) relative size E) direction
As reported by the National Weather Service, the heat index
A) relates temperature and relative humidity. B) combines air pressure and temperature in a comfort index. C) gives you an indication of the effect of wind on the skin. D) is generally reported during critical winter months.
Each of the following is a wise strategy when lightning is sighted EXCEPT
A. staying away from windows or doors in the house. B. seeking an automobile to wait out the storm. C. lying down outdoors to minimize ground contact. D. avoiding touching or standing near tall metal objects.