When Sasha starts to ride a bike, it is very difficult for her to get going. When it comes time to stop, It's also hard to slow down. Why is this? A. unbalanced forces
B. Inertia
C. balanced forces​

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.