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CLAY AS CONTRIBUTOR
Martin Kennedy, a US professor of sedimentary geology and geochemistry, concludes in one of his studies that clay made animal life possible on Earth.
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WHAT ARE ALLOTROPES?
When an element can bond to itself in more than one way, the different forms of that element are called allotropes. The most stable and common allotrope of oxygen is oxygen gas or di-oxygen.
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OXYGEN AND HEALTH
In everyday life we are not always aware of the importance of the air we breathe and how, through the lungs, oxygen gets in our blood as an indispensable fuel for our body.
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OXYGEN AT ALTITUDE
We’ve all seen pictures of mounaineers with oxygen masks, but why is this necessary? Is it lack of oxygen in the air, or something else?
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A SPECIAL KIND OF GAS
Oxygen is a odorless, colorless and tasteless gas that makes life on earth possible. We draw air containing 21% oxygen into our lungs by every breath we take.
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AIR POLLUTION It is estimated that 80,000 tonnes of polluting particles are released into the air every day. This stifles our oxygen intake. A lack of oxygen increases our susceptibility to health problems. Worried? Care 02 can help. Recommend this article... |
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