An astronomer see a star that is very far away but still very bright. What can she conclude about the star? The star must be very large.

The star must be very small.

The star must be moving away from Earth.

The star must be moving closer to Earth.

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.