If your eyes happen to come into contact with acetic acid, you should immediately wash your eyes with water for no less than 15 minutes
The sled with a rough metal bottom would take more force to move over ice, because the rough surface would increase friction and the force needed.
The diploid number is restored when the two haploid cells combine to create a zygote. Basically when the sperm cell enters the egg cell and makes the offspring.
Biological realm..............
