Q. Consider the following:- The discontinuity between the Earth's mantle and outer core is called the Gutenberg discontinuity.
- The discontinuity between the Earth's crust and mantle is called the Lehmann discontinuity.
Which of the above statements is / are correct?
Answer:
Only 1
Notes: The first statement is correct; the Gutenberg discontinuity separates the Earth's mantle and outer core. The second statement is incorrect as the boundary between the Earth's crust and mantle is called the Mohorovičić (Moho) discontinuity, not the Lehmann discontinuity.