What disease can be transmitted by ingesting contaminated food?

Mucous membranes.. a. cover or line external surface of body. b. line internal body surfaces that are in contact with the environment. c. produce antibodies to combat infection. d. secrete sweat, which has antibacterial enzymes.

Make a prediction about that person’s wellness and justify your prediction using two or more complete sentences.

The first step in treating water from a river or lake is usually