Yes many benefits besides getting in shape. Arthritis is usually something that old people suffer but working out allows you to replenish your bone joints & strengthens your bones. Working out also can help you control weight and speed up your metabolism and help you with balance if balance is a problem.
When im done exercising i feel great of course tired but i feel pumped. Not only does everything feel light to pick up after a work out but it also relieves any stress that i had. It helps me boost my own confidence up and sleeping is fantastic.
The answer is B. chemicals. the reason its b is because A= bacteria but u have to clean the bacteria in the water so its not A and its not c. becouse that will be just turning the ice into water .so the answer is b. becouse we use chemicals everyday to get rid of bacteria and waste