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Author Question: The major discontinuity that occurs at a depth of 2,900 km below Earth's surface is the:a. ... (Read 90 times)

B

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on: Jul 15, 2018

The major discontinuity that occurs at a depth of 2,900 km below Earth's surface is the:a.
   low-velocity zone.
  b. Moho.
  c. inner core-outer core transition.
  d. core-mantle boundary.
  e. none of the above



Question 2

The composition of the core is:
  a. peridotite.
  b. basalt.
  c. granite.
  d. iron.
  e. iron and nickel metal



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shoemake

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Reply #1 on: Jul 15, 2018
Answer to Question 1

D

Answer to Question 2

E


B

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Reply #2 on: Jul 15, 2018
TY


shoemake

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Reply #3 on: Jul 15, 2018
Happy to Help


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