App Logo

No.1 PSC Learning App

1M+ Downloads
Which Crust is known as Sima?

AContinental Crust

BOceanic Crust

CAll of the above

DNone of the above

Answer:

B. Oceanic Crust

Read Explanation:

Oceanic Crust

  • Mainly consists Silica and Magnesium

  • It is known as Sima

  • Thickness: 5-10 km

  • Material density is higher than Continental Crust


Related Questions:

Which element pair correctly represents the dominant composition of the Earth's core?
Who was the first person to accurately calculate the circumference of Earth?
Which discontinuity separates the Earth’s crust from the underlying mantle?

Choose the correct statement(s) regarding discontinuities within the Earth:

  1. The Gutenberg Discontinuity lies between the crust and mantle.

  2. The Repetti Discontinuity divides the upper and lower mantle.

About how many years ago did the ocean form on earth?