Answer:
a. Determine the materials used to make the pots.
Explanation:
Workers digging a tunnel through a city who find some ancient pots decorated with geometric designs will employ the services of a chemist.
The chemist would help to determine the materials which were used to make the pots . This is usually done by various type of experiments and observations. After the constituent of the pot is gotten then more information would be derived from the possible source and use of the pot
