g A beam of light is traveling inside a solid glass cube that has index of refraction 1.68. It strikes the surface of the cube from the inside. Part A If the cube is in air, at what minimum angle with the normal inside the glass will this light not enter the air at this surface?

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods

a cold ice-tea.

pour in room temperature or cold water. cover the pitcher and refrigerate. steep white or green tea for 6 to 8 hours; steep black or oolong tea for 8 to 12 hours.jun 28, 2015