Solids' particles move a lot faster and closer together. Liquids' are more spread apart and move slower. So there is more energy in the solid
A. you're exposed to nuclear radiation everyday
Answer
A reactant is a substance that is present at the start of a chemical reaction. These are what breakdown to form products and its always to the right.
A product is a substance that is present at the end of a chemical reaction. These are what are formed after the reactants are broken down, the end result.