Un ave puede volar a 25 km/h ¿Cuanto tiempo le toma volar 15 km

Which of the following is considered to be a vector?               a.  temperature    b.  velocity    c.  time    d.  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.

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?