The role that the mosquito played is that the mosquito was carrying the organism/infection so once it bit Jane, Jane got infected. (Not sure is that’s what your asking but that’s the best I can explain it.)
Answer:
Naturally Acquired Passive Immunity
Explanation:
Naturally acquired passive immunity can be described as a type of immunity in which antibodies are transferred from the mother to the infant through placenta or through breast feeding. This type of immunity tends to protect the child until the child can develop his/her own immune system. However, this type of immunity is not life long and usually remains from a period of few weeks to 6 months.
Answer: cleanliness, fresh ingredients, trained staff
Explanation:
D neither a nor b is right
contracting is the correct answer!