an example of a communicable disease is\ncancer.\nchronic respiratory disease.\ndiabetes.\ngiardiasis.

Answer:

giardiasis.

Brief Explanations:

Giardiasis is caused by a parasite and can spread through contaminated water or food, making it communicable. Cancer is a non - communicable disease caused by abnormal cell growth. Chronic respiratory diseases like asthma are often due to long - term exposure to irritants and are non - communicable. Diabetes is mainly a metabolic disorder and is non - communicable.