I believe the answer to this question is C.
Answer:
Emotions and attitudes, the self, and social cognition is the correct answer.
Explanation:
Cross-contamination refer to a condition where microorganisms are unintended transferred from one subject to another and causing harmful effect to them
One thing that is NOT an example of cross-contamination is : food is prepared one day in advance
Answer:
I would tell their parents (hopefully they are good parents), but I would tell them to act as if they figured it out by themselves, so my friend won't know that I told them and won't hate me.