The movement of plate tectonics formed Pangaea and eventually broke it apart
Glucose is C6H12O6, so there are six atoms of carbon in glucose your welcome
The gravitational pull stays the same throughout, but the world itself dosent rotate vertically
There are many different ways to approach; it is the scientist own form of thinking.
It helps with the optic nerve, if you give me options i can help answer. Sorry if I didnt help :)