Continental Drift theory by Wegener changed the perceptions about the Earth’s crust.

Consider the statements regarding this theory.

1) Sialic masses used to float over the Sima without any resistance being offered by

Sima.

2) Earlier all land masses were united to form a massive landmass known as

‘Panthalasa’.

3) Ocean floors were considered to be stable and never moved.

Choose the correct statement/s from the following.