The eruption of Mount Pinatubo in June 1991
A) demonstrated that localized circulation can curtail widespread dispersal of aerosols.
B) erupted unexpectedly, inhibiting scientists from monitoring its effects.
C) had little global affects and was mostly isolated to the Philippines.
D) provided a unique opportunity to assess the dynamics of global atmospheric circulation.
D
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A map of population density for the Middle East is perhaps best understood in comparison to proximity to water, as settlements have historically developed around access to water in dry environments
a. True b. False Indicate whether the statement is true or false
Weather charts and maps are still plotted and analyzed entirely by hand
Indicate whether the statement is true or false
If the half-life of a radioactive isotope is known and the parent/daughter ratio can be determined, then the age of the sample can be calculated using radiometric dating techniques.
a. true b. false
The process responsible for the majority of sea-level rise in the global ocean is ________.
A. thermal expansion B. photosynthesis C. albedo D. glacier melt E. El Niño