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5 Which of the following is an example of the Law of Conservation of Mass?
(A) slowly eating an ice cream to make it last as long as possible
(B) wind rustles leaves in a tree
(C) a cup of ice melts and liquid water remains
(D) someone picks up trash in their neighborhood

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.