What fuel(s) are the main energy source during short, intense bursts of exercise?
metabolism of protein only
metabolism of fat only
metabolism of carbohydrate only
carbohydrates and vitamins
caffeine
medium-chain triglycerides
erythropoietin
carnitine

Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.

A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?