Answer:
It has increased the quality and availability of treatments.
Option B
Collaborative Learning has a common goal, which has to be build together with all learners. In Cooperative Learning the learners were divided. Each has his own part of the problem. The interaction consists of supporting mutualy.
Hope this helps
Answer:
This is a very serious topic you should talk about with a trusted adult. If your brother is doing this I suggest talking to your parents and staying away from him as he's violating your body and it's not okay for him to do so. You should definitely tell your parents what he's doing to you.