Author Question: The mantle plume in the Pacific Ocean is currently beneath the island of ________. A) Oahu B) ... (Read 63 times)

LaDunn

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The mantle plume in the Pacific Ocean is currently beneath the island of ________.
 
  A) Oahu
  B) Molokai
  C) Maui
  D) Hawaii

Question 2

Some kind of ________ (upward movement of less dense material and downward movement of more dense material) appears to drive the motion of plates.
 
  A) convection
  B) dissolution
  C) slab pull
  D) ridge push



Mholman93

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Answer to Question 1

Answer: D

Answer to Question 2

Answer: A



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Mholman93

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Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

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It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

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Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

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