How might changing the shape of compacted trash change the way we use it?

Matches the chemical name of each oxide of phosphorus to its chemical formula

How does the viscosity of magma change as magma cools?

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.