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Africa bulletin

Africa bulletin

[Africa bulletin] about fresh air

by | 30-11-2014 23:27 Comments 0 Comments recommendations 0 recommendations



While in popular terminology "air" is often conflated with "oxygen," air actually consists of oxygen and a mixture of other gases, such as methane and carbon dioxide. In fact, every breath you take contains methane, a gas that could kill you if breathe too much of it. In addition to supplying the oxygen you need to survive, air is an important part of several essential cycles that also make life on Earth possible

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