By what three means do artificial light sources produce radiant energy?

What function should you choose if you want to make a copy of a digital image file to back it up? a) save b) copy c) save as d) all of the above

Which quadrant of the coordinate plane would you use to grapn time and distance?

Which of the following is the most likely outcome if a producer fails to secure a copyright? the production will be cancelled. the production will be sued. the production will be fined. the production will be postponed.