When surrounded by air at a pressure of 1.0 * 105 N>m2 , a basketball has a radius of 0.12 m. Compare its volume at this condition with the volume that it would have if you took it 15 m below the water surface, where the pressure is 2.5 * 105 N>m2 . What assumptions did you make

What would the difference of spectral lines emitted by hydrogen gas in distant galaxies which is normally found at a wavelength of 21 cm on earth, be observed at 21.1 centimeters?

Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers

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.