Answer:
The principle of reducing waste, reusing and recycling resources and products is often called the "3Rs." Reducing means choosing to use things with care to reduce the amount of waste generated. Reusing involves the repeated use of items or parts of items which still have usable aspects.
Parenting is hard sometimes but it is good to be rewarded for good behavior. that is how you train someone.
Are there multiple choice options?
it's the circulatory system,the heart and blood vessels
