Which of the following would be classified as a pollutant by the World Health Organization?
a) natural oil seeps
b) mercury leaching from undersea rocks
c) warmer than normal surface water from El Nino causing widespread coral death
d) sediments dumped into nearshore water by coastal construction
e) all of the above
D
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High salt concentrations give a striking whitish surface to ________
A) salinas B) wadis C) alcove arches D) pedestals E) mesas
The Leaning Tower of Pisa leans because
A. the designers wanted it that way. B. the tower was built on unstable clay-rich soils. C. modern construction nearby has disturbed the foundation. D. the structure itself was poorly built.
Why is pressure so important in metamorphism?
A) Increasing pressure causes many minerals to metamorphose into denser minerals that are more stable at high pressure. B) It isn't important. C) Decreasing pressure causes many minerals to metamorphose into denser minerals that are more stable at high pressure. D) Increased pressure means low temperature which is a key factor of metamorphism
The Digital Divide refers to uneven access to ________ among India's population
A) IT resources B) cell phones C) automobiles D) food