Which of the following regions was the result of plumes of hot ...

[HCHenry]

Which of the following regions was the result of plumes of hot mantle rising in a hot spot within a plate?
 
  A) Alaska's Aleutian Islands
  B) Japan and the Philippines
  C) the islands of Hawaii
  D) the volcano Mount St. Helens
  E) all of the above

Question 2

When should we know if any extra-solar planetary systems are like ours?
 
  A) in just a few years
  B) any day now, thanks to new, large, ground-based telescopes
  C) in a decade or two, through our current space missions
  D) We have already discovered several systems just like ours, through the Kepler mission.

[nikmaaacs]

Answer to Question 1

C

Answer to Question 2

C

[HCHenry]

Thank you!

[nikmaaacs]

Always glad to help...