Rank the solutions below in order of decreasing acidity. question list (5 items) (drag and drop into the appropriate area) 0.01 m hcl

Can someone me with questions 12 and 13 plz.

Which of the following has wavelength longer than the wavelength of viable light? a) x rays b) gamma rays c) radios waves d) ultraviolet waves

A40 kilogram skier starts at the top of a 12 meter high slope. at the bottom, she is travelling 10 meters per second. how much energy does she lose to friction