What does the prefrontal cortex do? what happens to grey matter in adolescence? what does this mean?

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa

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.