Ash layers from the three most recent caldera-forming eruptions at Yellowstone (2.1, 1.3, and 0.64 million years ago) stretch
A) from Wyoming to Colorado.
B) from California to Washington, D.C.
C) from one side of Yellowstone National Park to the other.
D) from Canada to Mexico.
D) from Canada to Mexico.
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Changes to North Atlantic Deep Water (NADW) could result in ________.
A. rapid warming of the U.S. east coast B. no change in Earth's climate C. increased precipitation at high latitudes D. rapid cooling similar to the Little Ice Age
An examination of fossilized plants and organisms, along with an analysis of rock type enables scientists to reconstruct historical ____________________
Fill in the blank(s) with correct word
A meridional pattern
A) favors formation of major anticyclones. B) inhibits the formation of major cyclones. C) brings mild weather to most of the country. D) is not typically associated with substantial precipitation.
What kind of metamorphism will occur if the environmental conditions are 400°C and 5 kilobars?
A) Hydrothermal B) Contact C) Regional D) Subduction zone