Phase: Oxygen can be a gas at standard temperature and stress (STP). Even so, it can be converted into a liquid or good point out at very low temperatures and superior pressures. In its liquid and strong sorts, oxygen is usually a pale blue color. adj, n → viel inv; https://elliottfowgm.diowebhost.com/91273998/oxygen-chambers-for-healing-things-to-know-before-you-buy