A colorless, tasteless, ordorless gas that is the second most abundant consituent of dry air It comprises 20 946%
A colorless, tasteless gas forming about 21% of Earth's atmosphere and capable of combining with all other elements except the inert gases
(n ) - an element breathed in by animals and given off by plants, found in air and water
A colorless, tasteless, odorless gas that is the second most abundant constituent of dry air, comprising 20 946%
A mixture of oxygen and other gases, administered to a patient to help him or her to breathe
A colorless, odorless gas, and the most abundant element on Earth, occurring in the crust, in fresh water and sea-water, and in the atmosphere, of which it forms 21 per cent by volume
the essential element in the respiration process to sustain life This colorless, odorless gas makes up about 21 percent of the air Oxygen may be prescribed if your lungs are not getting enough oxygen to your blood Breathing prescribed oxygen increases the amount of oxygen in your blood, reduces the extra work of the heart and decreases shortness of breath
A colorless, odorless, tasteless gas essential to life making up approximately 21 percent of air
A chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994
A gas that exists naturally in the atmosphere and is produced by plants during photosynthesis that humans and other animals breathe
Can exist as a gas or dissolved in solution Oxygen forms various inorganic compounds with metals as well as organic compounds with carbon, hydrogen, nitrogen and other elements O2 (gas) is vital to life whereas O3, ozone, can be harmful due to its ability to oxidize biological tissue, metals, organic compounds and other materials See Ozone
A gas which makes up a big part of the air around us All animals must breathe oxygen
A colorless, odorless gaseous chemical element, symbol 0, that is found in the air and is essential for life
A colorless, ordorless, tasteless gas, that is the most abundant of the elements on earth occuring uncombined to the extent of about 21 percent by volume