Answer:
c. People who drink water that has been contaminated with untreated sewage are at risk of contracting cholera.
Step-by-step explanation:
Environmental pollution can contribute to the spread of transmissible diseases in various ways. In the case of contaminated water sources with untreated sewage, it can lead to the transmission of diseases such as cholera. Cholera is caused by the bacterium Vibrio cholerae, which thrives in unsanitary conditions and can contaminate water supplies. When individuals consume water contaminated with the bacteria, they are at risk of contracting cholera and experiencing severe gastrointestinal symptoms.