Which scientists have contributed to our knowledge of earth's age? geologists chemists physicists biologists astronomers

Geologists are the scientists that have contributed to our knowledge of Earth's age. The correct option among all the options that are given in the question is the first option. The geologists basically study the solid and liquid materials that make up our earth. They also study about the history and the process by which earth was created.

How is this even a question?

Answeraquifer;