Compared to the age of the Earth accepted as correct today, how did seventeenth and eighteenth century proponents of catastrophism envision the Earth's age?

C) They believed Earth to be much younger than current estimates.

Explanation:

The proponents of the 18 and the 17th centuries believed that the earth was shaped by a strong and a violent forces such as the erosion that created the earth's geologic features and had a recent origin.