Choose the answer that is punctuated correctly:
The Marianas Trench, in the Pacific, the lowest point on Earth is 36,198 feet below sea level.
The Marianas Trench in the Pacific, the lowest point on Earth, is 36,198 feet below sea level.
Geologists, study the history of the earth and Biologists, study life.
Geologists study the history, of the earth, and Biologists, study, life.