Shortly after the devastating 2011 Tohoku-Oki Earthquake, the Chikyu drillship began an expedition to study which of the following?
A) Earth's climate change patterns
B) Earthquake-generated heat from friction
C) The mechanism that causes tsunamis
D) The microbiology of the deep-ocean floor
E) The properties of the deep crust
B
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Basalt lava flows primarily erupt in ____.?
a. ?rift zones b. ?continental collision zones c. ?subduction zones d. ?volcanic hotspots e. ?convergence zones
As a major importer of products from other countries, the United States has
A) improved public relations. B) increased its economic standing with other countries. C) few domestically manufactured goods. D) accumulated substantial trade deficits.
Metamorphism is a physical and chemical change that occurs in such a way that:a
disequilibrium is reached with the new physical and chemical environment. b. a dynamic equilibrium is reached. c. equilibrium with the new environment is disturbed. d. the rock reaches equilibrium with its new environment. e. the rock's chemistry and texture become increasingly unstable
A cold front is a situation in which cold air
A. Remains stationary for weeks at a time B. Is heated by seasonal changes in solar energy C. Slips over a mass of warmer air D. Recedes in the face of warmer air E. Displaces a mass of warmer air