Respuesta :
Answer:
Option B, Public transportation is always available in every metropolitan area.
Explanation:
Now a days all countries and its major cities are promoting usage of public transportation for three main reasons -
a) To reduce the pollution caused by exhaust released from vehicles
b) To reduce the traffic congestion.
c) Reduction is traffic congestion in turn leads to saving of fuel
Thus, usage of public transportation is the most convenient, sustainable, energy efficient and economic mode of transport
Option B is correct