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Trees are one source, but the larger source is ocean algae (aka seaweed) and ocean phytoplankton. Together, marine plants produce about half of the world's oxygen. According to National Geographic, about 70% of the oxygen in the atmosphere comes from marine ...

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In closed containers, plants cannot use the normal methods of transpiration for water absorption. In these cases, they do not have access to atmospheric oxygen. In this article, we will explore how plants survive in closed ...

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Of course, although with some complexity to it, flora simply means plants, flowers and relatively fungus growing at a specific time or era. Plants are very adaptive to many conditions as they need to be as they are not mobile. That been ...