Question

Which location shows signs of having spread the fastest during the period 60–70 m.y.a. (million years ago), and how many kilometers of new crust were formed during that period?

Answer 1

North america

Step-by-step explanation:

• By 65 million years ago ie. the end of the cretaceous era and beginning of the Cenozoic era, the water still covered the landmasses and India and Australia was still not separated.

• Spreading up of plates and the opening of land boundaries was massive at this time hence the crust formed at this time was the fastest and continued to from as the mountain began to appear and the shrinking up of the oceans.

• Movement of Asia and break up of the pacific ocean created, which were accompanied by the climatic and changes in weather patterns.