You must make sure that all your utensils used are sanitary, you wash your hands before touching any of the food.
When handling the food if it is fruits or vegetables wash them before use them you use them so it will get rid of bacteria's from the surfaces.
yes because it is important and can really help them
It tell us the minimum heart rate for cardiovascular exercises
It shows us the heart rate that we need to achieve in order for our body to increase its metabolism above normal state, which resulted in increased calories burning.