The managers of a large urban metro system are concerned that the
current operations are leading to an inefficient consumption of energy a
looking for ways to improve its sustainability.
What is a solution that could be adopted to make the metro system more
sustainable?
A Install a year-round cooling system to reduce fluctuations in temperature controls.
B Install a mainframe computer on each tram to gather data on its energy consumption.
C Use machine learning to optimize the frequency of tram routes based on passenger load
