Answer:
2,4,5 for vulnerable, 1,3 for not
Not enough tissue fluid causes dehydration.
Answer:
social media could have both a good and bad impact. Social media could help someone be more outgoing and make more friends which will boost their happiness and confidence, but social media could also lead to things like cyber bullying, drama, and loss of friends with could lead to anxiety and depression.
Most likely A but I could be wrong!