Respuesta :

ericraynalds

Answer:

About 180 million years ago the supercontinent Pangea began to break up. Scientists believe that Pangea broke apart for the same reason that the plates are moving today. The movement is caused by the convection currents that roll over in the upper zone of the mantle.

Explanation:

oddjobsbellemeade123

Answer:

About 525 million years ago, that land mass broke apart, with North America on one side and South America, Africa and the small island pieces on the other. The two plates drifted apart, forming the Iapetus Ocean. ... The amount of each element was typical of rock created in the ocean, away from larger continental masses

Explanation: