Which of the following statements is NOT true about the use of a spectrometer?
Group of answer choices:
O The scale of the instrument indicates both wavelength and energy
O You must hold the spectrometer so the printed side is facing upwards
O You must aim the slit slightly to the right of the sun and not look directly into the sun
O You must rotate the disc to calibrate the instrument before you use it

An experiment is conducted to see if cats preferred skim milk or 2% milk. a cup of skim milkwas put out for 5 kittens and then measured how much the kittens drank over the course of aday. following a cup of 2% milk was purout for the skittens and then masured how much thekittens drank over the course of a day. the same kittens were used and the milk was served atthe same temperature. it was discovered that the cats liked the 2% milk more than the skimmilk. what is the dependent variable in this experiment?