Hormones taken as medicine can harm fish when the hormones end up in waterways. what does this show about the impact of chemicals on the environment?

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.

The same side of the moon always faces earth because the

What is the measured amount of a product obtained from a chemical reaction?