Asystem that is capable of interacting with another system is said to be

Brian said that when you get your body broken such as a arm or leg. it means your bones break to pieces and must do surgery or get a cast to fix it. is it true or false?

Why is it so important to have a lifetime commitment to training? a-it takes your entire life to become fit b-it keeps you from becoming bored c-you will lose strength and endurance once you stop exercising d-it increases your motivation in life

Where does peer pressure come from? a. the power of culture b. the influences of others c. people who purposely try harm you d. the messages in tv commercials