Explain how a pile of ashes has the same mass as the original log before it was burned. what is the law that defines this

You are about to open a container of soy milk but notice that there are instructions to “shake well before serving.” the soy milk is most likely a

Which is not true about oxygen-17 and oxygen-18?

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.