If you put a burning candle under a Jam jar, you. The and everyone knows the reason: The flame consumed the oxygen, and suffocated. Also in the laboratory of the company Wagner in Langenhagen, near Hannover, extinguish flames from shortness of breath. For example, the one in the room held lighter. However, you do not need to consume the oxygen in the air. Here it is anyway much less of it: only 15 percent instead of almost 21, how it would be 55 meters above sea level (so high Langenhagen) to normal. Here in the laboratory Mr conditions, as is known from the mountains, from about 3,000 meters in height. The people, at least in the short term, the lighter flame: it suffocates.

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