Our resources can only supply a small fraction of our wants. true false

Which statement is true for light passing into a medium that is more optically dense than the first medium through which it past

Smallest intensity of a stimulus that you can detect 50 percent of the time is

The pilot of a helicopter hovers at an altitude of 1200 feet over a park. the angle of depression to the base of a statue is 17 degrees. the angle of depression to the nearest park exit, in line with the statue, is 14 degrees. to the nearest foot, what is the distance from the statue to the exit?