Sebastian works as a conservation scientist. His current project involves calculating how many times an oyster bed can be harvested safely in one year. One task Sebastian might do to complete his project is:

travel deep underground to take soil samples in a mine.

meet with large cereal companies to take test the safety of their products.

collect soil and water samples in a bay.

climb into an attic to inspect for termite damage.

collect soil and water samples in a bay.