Then we would not have oxygen because plants give oxygen in order to breathe
Atomic number is called the number written to the left of a chemical symbol or formula
I'm pretty sure the answer is hypothesis
Option (C) is the correct answer. In the chemical reaction, reactants are the starting elements or compounds which will chemically react and will form the products. Reactants are only present on the left hand side of the reaction and products are present on the right hand side of the reaction.