Question

Which of the following statements are correct?

1. The Repette discontinuity is the part that separates the upper mantle from the lower mantle
2. The Lehmann discontinuity is the part that separates the outer core from the inner core
3. The Conrad discontinuity separates continental tectonics from oceanic tectonics

• A. i only
• B. None of these
• C. All of these
• D. ii only

Answer 1

Answer:

C. All of these

• The Repette discontinuity is the part that separates the upper mantle from the lower mantle

• The Lehmann discontinuity is the part that separates the outer core from the inner core

• The Conrad discontinuity separates continental crust from oceanic crust