The correct answer for the question that is being presented above is this one: "a magazine article published in 2013 about community recycling programs; an encyclopedia article written in 2012 about community recycling programs; <span>a book published in 2012 about a company's computer recycling program."</span>
Answer:
Muscles are attached to bones by tendons and help them to move. When a muscle contracts (bunches up), it gets shorter and so pulls on the bone it is attached to. When a muscle relaxes, it goes back to its normal size.
Explanation: