Why are olivine and quartz never found together in an igneous rock?

Once similarity and one difference between a mixture of elements and a mixture of compounds

The graph indicates the running route for tobias. which best describes his run? from time 0 to 6, he went fast and then slowed down. from time 6 to 10, he was at his slowest. from time 12 to 14, he went very slow. from time 14 to 18, he went toward the starting point.

Compare and contrast an assemblage and a pollen fingerprint by defying both and giving examples of each from the chapter.