Question

Consider the following.
1. SIAL restricted only to the continental crust.
2. SIAL freely floating over SIMA.
3. Oceanic crust made up of SIAL and SIMA.
Which of the above is/are the assumptions made in Continental Drift Theory?

• A. All of the above.
• B. 1 and 3 only
• C. 1 and 2 only
• D. 1 only

Answer 1

The correct option is C 1 and 2 only

Following assumptions were made by Wegener in the Continental Drift Theory.
1. SIAL is restricted only to continental mass.
2. Oceanic crust is made up of SIMA.
3. SIAL is freely floating over SIMA without any resistance