Each pair of clay balls represents two planetesimals. If each planetesimal is composed of the same material and is separated by the same distance, which pair experiences the greatest gravitational attraction?.

Which of the following correctly describes the early view of catastrophism?

What happens in a global convection cell

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.