A scuba diver shines a flashlight from beneath the surface of water (n = 1. 33) such that the light strikes the water-air boundary with an angle of incidence of 43°. At what angle is the beam refracted?.

It's 90 °f in the shop with high humidity. what pressure will be shown on the high-side pressure gauge (ac system on)?             a.  10 to 50 psi    b.  40 to 140 psi  c.  210 to 290 psi  d.  at least 350 psi

Which of the following does the reading test of the sat ask you to do ?

How are 3-d printers useful in studying evolution? a. to color the fossils of organisms b. to create clones of extinct organisms c. to create replicas of fossils d. to prepare paper cutouts of organisms e. to study the composition of fossils