Please help this is worth half of my grade! what letter represents the trough of the wave a, b,c, d,e

Why do cells appear different in distilled water than they do in 10% salt water?

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.

What factor besides temperature affects the boiling point of water? a. mass b. number of moles c. volume d. pressure