Using keplers 3rd law, if a planet is 47 aus away from the sun, what ks its orbital period

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.

Carbon 14 is a naturally occurring stable

How can you increase the strength of an electromagnet?