Don't know much about products in this area and I thought I'll buy a case for my laptop so I can bring it with my to university safely. What's a good quality case and how much would it usually cost?
Night time is when I'm usually most aware and I can think about stuff more thoroughly than during the day, so I also feel motivated to work at night but end up not because sleep is more important.
You won't feel guilty when you do it but you might feel guilty when you see her later on after she has her consequence. How close is your relationship with her?
Did your teacher already give her the extra marks? If so, then you might not be able to report what she done to the teacher unless if you don't want to look her in the eyes the next day. It's going to seem way too obvious that someone reported her to the teacher if the teacher deducts marks away...
Since there is a 'high concentration' of large molecules outside the cell, then water will diffuse out as the solution outside has a higher solute concentration (hypertonic)
Officeworks has their laptops on display so if they have surface on sale you can try it out and see how it feels. People on BoS will probably tell you that the surface is better and you won't be disappointed.