Sugar is sucrose and a carbohydrate. It's made up of 3 elements. 12 atoms of carbon, 22 atoms of hydrogen, and 11 atoms of oxygen. (C^12H^22O^11)
They are reactants because they are present before the reaction.
A) The earth spins
The Earth is constantly spinning, or "rotating", which causes day and night
A. Carbon
It's carbon because it is in all plants and fossil fuels. Hope this helps and is correct.
Is There a diagram? I can try to answer it if there is a diagram.