Respuesta :

Answer:

Began: 251.902 (+/- 0.24) million years ago

Ended: 65 million years ago

Explanation:

Began: 251.902 (+/- 0.24) million years ago

Ended: 65 million years ago

The answer is above.

Hope this helps.

Answer:

The Mesozoic era began in 65 and it end on 251

Explanation: