Match these items. 1. bring blood to the heart veins 2. major artery bringing blood from the heart to the body ventricle 3. doorways to the heart aorta 4. measure of the rate of heart contractions pulse 5. heart passageway to the arteries valve 6. passage to the ventricle atrium

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.

If many scientists conduct the same or similar experiments, and all obtain similar results, a can be written, which is a generally agreed-upon statement that explains and predicts how a natural phenomenon works.

Adirect relationship can be represented by: a curve a pie chart