Which of the following statements best describes an opportunistic infection (oi)?
a. ois are common only to people with healthy immune systems.
b. ois are more frequent in the earlier stages of hiv.
c. ois are the common cause of death of people with hiv/aids.
d. ois can be deadly to perfectly healthy people.

Opportunistic infection (OI) can best be described as:

(C) OIs are the common cause of death of people with HIV/AIDS

Opportunistic infections are those which occur more frequently and are more severe in people with weakened immune systems such as those suffering from HIV and AIDS. They are called opportunistic because they take advantage of the weakened immune system of the individual.

that is the way of a cheater and cheaters get nothing but bad grades and in trouble.

the legal limit for the drivers who can drive after consuming any amount of alcohol is 21 years.

explanation:

on november 1, 1996, a "zero tolerance law" was put into effect in the new york state.

according to this zero tolerance law, for people under the age of 21 years, it was illegal to purchase and possess alcohol or to drive after consuming any amount of it.

also, the alcohol involvement rate for the drivers under the age of 21 was roughly twice that of elderly drivers.