Which of the following statements is true about contamination?

Q. Which of the following statements is true about contamination?

A.            Contamination is caused by the entry of germs by an insect bite

B.            Contamination is caused by the entry of germs by an animal bite

C.            Contamination is caused by the entry of germs into drinking water or edible foods.

D.            None of the above

Answer: Contamination is caused by the entry of germs into drinking water or edible foods.