Which property of water makes it possible for aquatic plants and animals to get oxygen?

Which statement best describes the function of enzymes?

‘which reaction would most likely require the use of an inert electrode?

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.