5. when did the mesozoic begin? 201 million years ago 252 million years ago 145 million years ago 542…
5. when did the mesozoic begin? 201 million years ago 252 million years ago 145 million years ago 542 million years ago
Answer
Brief Explanations:
The Mesozoic era began approximately 252 million years ago. This is a well - established fact in the field of geology which is a sub - field of Natural Science.
Answer:
252 million years ago