Final answer:
Untreated or improperly treated water and contaminated produce are associated with waterborne diseases.
Step-by-step explanation:
Untreated or improperly treated water and contaminated produce are associated with waterborne diseases. Waterborne diseases are caused by microscopic pathogens such as protozoa, viruses, bacteria, and intestinal parasites that are present in unsafe water supplies. These diseases can lead to symptoms like diarrhea, vomiting, skin problems, and respiratory issues. It is estimated that millions of people, especially children, suffer from waterborne illnesses globally every year.