Which of the following is the correct description of momentum? -the product of mass and acceleration -the product of mass and velocity
-velocity divided by mass
-acceleration divided by mass​

What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.