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Where does the oxygen we breathe come from?

by TQ  |  9 years, 3 month(s) ago

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Where does the oxygen we breathe come from?

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  1. Victor Strong
    Rain-forests are important. In fact, some would argue that they are this important because they produce the majority of the oxygen that we breathe. These people however would be wrong. Rainforests produce an incredible 28% of the Earth's oxygen, a significant amount but far from our main supplier.

    Who would that be? Ocean dwelling phytoplankton and other microscopic marine plants such as kelp and plankton. These bad boys contribute a whopping 70% of our global oxygen supply through the process of photosynthesis - converting atmospheric carbon dioxide and sunlight into energy.


    One particular phytoplankton, Prochlorococcus is the most important contributor of all, providing the oxygen for one in every five human breaths on Earth. This among a myriad of other reasons is why protecting our oceans is vital to our wellbeing.


    Source: http://education.nationalgeographic.com/education/activity/save-the-plankton-breathe-freely/?ar_a=1

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