Explanation: There are some microorganism tend to spoil the food and produce the bad odor, spoilage etc in the food which may lead to disease like food borne disease.This disease leads to the serious health conditions or sometimes death.Example of such bacteria are-Serratia, Lactobacillus etc. These microbial organism infect the food and thus lead to food borne disease . So,the statement given is true.
I believe because some prats of south amsica where conceyed by different people Spain and proutugul and because of the different tribes of native poeple