Is Your Fidelity Line Fuzzy? For example, there are three phases of solid iron alpha, gamma, and delta that vary based on temperature and pressure. Other disciplines within chemistry are traditionally grouped by the type of matter being studied or the kind of study. I love being in his presence, he always finds a way to be around me, we are two of a kind, just alike, and i told him, he is my drug, i go through withdrawals when he's away, I don't know, it is scary but I cannot let him go! Then they wonder why so many end up in sexless, passionless, adultery filled marriages. Some places to start are below. Views Read View source View history.