The sea-floor spreading center that led to the formation of the Atlantic Ocean accelerated dramatically
A)between 4.6 and 2 billion years ago.
B)between 465 and 225 million years ago.
C)between the end of the Pleistocene and today.
D)between 135 and 65 million years ago.
E)between the Precambrian and present.

Question

Quizplus · Accepted Answer

The Atlantic Ocean began to form around 135 million years ago with the acceleration of the sea-floor spreading center. The separation of the North American and Eurasian plates began during this time, leading to the opening of the Atlantic Ocean. This is supported by geological and paleontological evidence.

The Sea-Floor Spreading Center That Led to the Formation of the Atlantic