If an electric circuit has 0 A of current running through it then .

Which best represents the law of conservation of mass ?

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.

What was the first instrument to ever record an earthquake?