Which units are used in a pyramid of bio mass? A: Individuals
B: g c/m2
C: m/s2
D: Kilocalories

c. establishing proper sleep hygiene

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.