Can i add a picture with my question if i am at my phone

Spray-applied coatings must be applied according to transfer efficiency standards using what technologies? a) high volume, low pressure (hvlp) guns b) electrostatic guns c) airless guns d) all of the above

Which statement describes absolute and apparent brightness? absolute brightness and apparent brightness are identical ways to describe the brightness of a star. absolute brightness and apparent brightness change with the distance from the star to the observer. absolute brightness depends on the distance from the star to the observer, whereas apparent brightness is always the same. absolute brightness is the actual amount of light produced by the star, whereas apparent brightness changes with distance from the observer.

Which statement is true? a crt is a higher-level respiratory therapy certification. every crt is also an rrt a rrt is a certification that adds a specialization every rrt is also a crt