In some parts of the world, a lot of people live closer together in areas that do not have adequate infrastructure for running water in homes. In such situations, sewage and other contaminated materials can enter local streams and rivers that are also used for cleaning and cooking. This__ pollution can cause serious __ diseases. Global agencies exist to help provide infrastructure and prevent disease..mcq
a) Airborne
b) Waterborne
c) Vector-borne
d) Foodborne