Suppose that we discovered a large asteroid on a collision course with Earth. The collision is approximately 20 years in the future. What is the best option below to deal with this threat?

The electronic structure or chlorine is 2.8.7 what is the electronic structure of fluorine?

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 is friction? how does it affect the motion of an object?