All of these but the nosebleeds seem correct, but something much stronger like cocaine can cause nosebleeds.
But if you want just ONE answer 'impaired memory and learning' seems like the best one to pick because that is one of the most noticeable signs of marijuana use.
This website talks about the symptoms of use, I trust its accuracy:
https://www.webmd.com/mental-health/addiction/marijuana-use-and-its-effects#1
Positive impacts.
1. Communication is instant and with ease.
2. Sharing can improve group cohesion and discussion.
3. Information can be accessed anytime with the internet and also with exchange.
Negative impacts
1. Stalking the individual through third-party apps.
2. Cyberbullying can haunt certain individual, exploiting their rights
Answer:
Yes it dose if you workout and do that it works trust me
Explanation: