Calculate the speed of a satellite in an orbit at a height of 1000 km from the
Earth's surface. M =5.98x1024 kg, R =
6.4x106m.

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.