Study the flowchart. The flowchart shows you all the steps to building a good working model of something. What steps lead to making improvements to a model?

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.

Match each scenario to the form of energy it represents

How many electrons does each element require in its valence shell to become stable?