Light travels at 3.00x10 8 meters/sec. How long will it take light from the Sun to reach a planet that is 30.0 light years away? *

Define dew point. i am writing this part to be able to ask the question

The three types is stress that act on earths rocks are compression, tension, and

Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.