What is an example of contagious diffusion

An example of contagious diffusion would be a cough or a cold. The definition of contagious diffusion is the spread of an infectious disease through the direct contact of individuals with those infected. This is one of the several ways a disease is diffused.

The answer to this question is  c. pharmaceutical accumulation  reclaimed water refers to the water that being used again after it already  used for agricultural purposes.this type of water often contains pharmaceutical accumulation because of the chemical fertilizer that is used for the plants is absorbed into the water.

Answer glacier terminus;