What is good conductor of electricity???​

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.

If i had 2 m naoh solution, what does the 2 m stand for? 2 molar, but 2 of a solute in 1

Mr. rose asked his student to draw a quadrilateral with four unequal sides. an example of this kind of quadrilateral