They are full of sodium, but they very little amount of nutrients that is good for you. This doesn't mean they are healthy because they actually aren't. But, they are still really good.
4-H is the organization traditionally thought of agriculturally related youth organization.
There are obviously A LOT of them. Like how your brain is slowly deteriorating, which is scary and dangerous. I can't cover everything but I have a website link you could visit that talks about this subject
https://www.drugabuse.gov/publications/research-reports/heroin/what-are-long-term-effects-heroin-use
Answer is A. (to prevent people from accessing your personal data)