Which is an example of substances reacting chemically? a. Paper being cut into small pieces
b. Chocolate melting in a pan
c. Flour and sugar mixed together in a bowl
d. Iron and oxygen forming rust

D

Explanation:

Iron and Oxygen forming rust is a chemical reaction. It creates something new and it changes its chemical formula. Both signs of a Chemical Reaction

helicase, i think thats it

if, i suppose that a bee stings me swinging my hand away from a bee. then that if, i persist patient when a bee or wasp areas on your surface to investigate a scent or to take h2o and i secreting heavily, the bug ultimately will move of its personal agreement. if i don't need to set for it to disappear, lightly and gently wipe it off with a part of the paper.