What distinguishes a continental volcanic arc from a volcanic island arc?
What will be an ideal response?
Both continental volcanic arcs and volcanic island arcs are arcuate chains of volcanoes formed at subduction zones. However, continental volcanic arcs form at oceanic–continental subduction zones, and volcanic island arcs form at oceanic–oceanic subduction zones.
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Which of the following would be put at risk by the Keystone XL pipeline?
A) Lake Michigan B) the Ogallala Aquifer C) Yellowstone National Park D) the American bison E) the Nebraska Sandhills
_______-____________, or hatred of Jews, often included systematic discrimination, persecution, and restrictions on land ownership and professions
Fill in the blank(s) with correct word
Which of the following best describes a two-molar sucrose solution?
A. one liter of solution that contains 2 moles of sucrose B. one liter of solution that contains 2 moles of water C. two liters of solution that contains 1 mole of sucrose D. one liter of solution that contains 6.02 × 1023 molecules of sucrose E. one mole of sucrose dissolved in 2 liters of solution
Which of the following locations displays a triple junction that resulted from a rising mantle plume?
A) Eastern Africa/Arabian Peninsula B) East Pacific Rise C) Japan/East Asia D) Mid-Atlantic Ridge