. Which of the following statements illustrates osmosis? a. Pollen dust in random motion in water
b. Movement of perfume molecules through the air in a room
c. Movement of water molecules across a cellophane membrane into a concentrated glucose solution
d. Movement of food colouring molecules in a dilute aqueous solution

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.