Question

what is meant by e coli and salmonella and also find the meaning of contaminated​

Answer 1

Explanation:

mate I am not able to understand your first part

Contaminated- having been made impure by exposure to or addition of a poisonous or polluting substance.

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Answer 2

Explanation:

e.coli or escherichia coli is type of bacteria that is found in lower intestine.

salmonella typhi(i presume) cause typhoid in humans.

contaminated means that a particular product now houses harmful bacterias and viruses and protozoans