When two oceanic plates converge, some magma erupts under the ocean, forming volcanoes that may rise above the sea. These volcanoes can form a curved
A. line of calderas.
B. island arc.
C. reef.
D. sequence of magma chambers.
Answer: B
Environmental & Atmospheric Sciences
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How much did the concentration of CO2 (ppm) in the atmosphere increase from 1960 to 2010?
A. 75 ppm B. 25 ppm C. 40 ppm D. 105 ppm
Environmental & Atmospheric Sciences
Explain why winds aloft flow roughly parallel to the isobars, while surface winds travel at an angle across the isobars
What will be an ideal response?
Environmental & Atmospheric Sciences
Continuous strain at a constant value of stress is characteristic of which type of material?
a. elastic b. plastic c. viscous d. brittle
Environmental & Atmospheric Sciences
Throughout time, continents break apart and collide and ocean basins open and close. This cyclical process is known as the ________.
A. Benioff cycle B. Richter cycle C. Wilson cycle D. lithospheric cycle E. Wegener cycle
Environmental & Atmospheric Sciences