Which of the following devices is used in this experiment to separate the different wavelengths emitted by the light source?.

All businesses can discriminate against workers based on a nation of origin b. immigration status c. mental disability d ane

How do i mark the brainliest on

Zachary has been trying to work on an essay for almost three hours, be he can't seem to focus for more than 15 or 20 minutes at a time. what should he do so that the quality of his work doesnt suffer because of poor concentration and lack of energy