Relax... Your mouth does not have the vasculature that would allow you to bleed out. By this time some healing should have formed but it would still be a raw wound. The best thing you should do is press gauze on the wound, as well as put some alcohol, just to keep out infection. Just see your doctor in the morning.
Your mouth if anything should be fine.
The geographical name for land is land mass
I THINK the answer is d. Not 100% sure.
Stay rested and dont work to much a lot eat healthy and stay hydrated