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Photosynthesis is vital for maintaining levels of atmospheric oxygen.

Chelsea Hayes

in Geography

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Heather Maxwell on March 11, 2018

This is true. Photosynthesis plays a vital role in the maintenance of oxygen levels in the atmosphere. Oxygen is a by-product of photosynthesis, Oxygen is vital to the survival of the majority of the terrestrial and marine animals, including man. The level of oxygen in the atmosphere is around 21%. The process of photosynthesis, helps in the maintenance of this balance. Plants absorb carbon dioxide and produce oxygen.Without photosynthesis , life on earth had come to an end. The process of photosynthesis was discovered for the first time, albeit partially, in the 1600's by Jan Baptista van Helmont


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