The waterborne disease that is caused by the protozoan present in both humans and wild animals' intestinal tract, that also occurs to the campers who are staying in the wilderness areas and were able to swallow pathogenic cysts when they are able to drink the water that is not even unfiltered, the water they usually drink are from the mountain and stream and the one responsible for it is the giardiasis.
D would make the most money, but it's up to you! :)
Losing weight or changing their appearance.
Smokers have a greater chance of developing deadly diseases. please select the best answer from the choices provided.
-true
(BPCO, cancer,