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The border separating SiAl and Sima ?

ALehman Discontinuity

BConrad Discontinuity

CMohorovicic Discontinuity

DNone of the above

Answer:

B. Conrad Discontinuity

Read Explanation:

  • Continental crust is also known as SiAl

  • Oceanic crust is also known as Sima

  • Conrad Discontinuity - It seperates SiAl and Sima


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The largest lithospheric plate ?
What is the speed of primary seismic waves as they travel through the Earth's crust?

Choose the correct statement(s) regarding the composition of Earth's internal layers:

  1. The crust is rich in silica and aluminum (SIAL).

  2. The mantle is composed predominantly of nickel and iron.

The study of measurements of Earth is known as ?