Hydrologists are most likely to perform actions relating to estimating the amount of groundwater in an aquifer.
Hydrologists
Hydrologists are scientists that specialize in the study of how water relates to the various crusts of the earth.
Hydrology in itself refers to the branch of science that studies how water moves relative to the earth's crusts.
Thus, species identification, age of fossils, or extracting underground oils have nothing to do with the work of hydrologists.
More on hydrology can be found here: https://brainly.com/question/13554728
