Essential information about research projects to potential study participants so that they can make a reasoned decision about whether to enroll in the study

a. surveys
b. interviews
c. informed consent statements
d. research protocols

Option C

Explanation:

Informed consent is a document or process that aims at providing research relevant information (all key elements) to the participants. It is a practice followed to cater the ethical issues involved in the research.  

A written consent document is provided to the participants and they are asked to provide their approval and consent on the same.  

Hence, option C is correct

answer: - b cells

explanation: -

so, the b cells mediate their action by identifying the antigens present on the surface of the pathogens and then producing antibodies in return to mediate its effect.

dude i stopped reading after the first 7 words but hey you seem real smart thats awesome have a great day