Answer! explain the immune systems cells and their uses.

If u what to play fortnite give me ur epic games username plzz i got no one to play with

1. which of the following is not required for research to qualify under the exception for informed consent? a. a life-threatening medical condition for which current treatments are unsatisfactory b. patient consent to the research c. minimal risks given the patient's life-threatening circumstances d. anticipated direct benefit to subjects

An example of a chemical hazard is: a. plastic from food packaging gets stuck on food b. a piece of glass falls in a salad dish c. juice from raw meat drips into the fruit salad d. a bleach container spills onto a food contact surface