Oxygen is a waste product of the electron transport chain, the water necessary mainly as a donor of electrons to replenish excited electrons passed off to the electron transport chain. Oxygen production is not directly necessary for the plant, so there is no point for them to make it for its own sake (they do respiration as well, but the O2 is not transported from photosynthesis products). O2 doesn't even come from CO2 in photosynthesis, it comes from water. On your first point, CO2 does not get diverted toward O2 or leaf growing. So to answer you question, the system is perfectly balanced and so long as there are plants to produce oxygen and animals to consume it we should never run out. The resulting waste is 6 Carbondioxide molecules and 6 water molecules. So a glucose molecule is combined with 6 Oxygen molecules to produce energy. The byproduct of this is that the hydrogen is taken from the water molecules and used to create the glucose, and the plant spits out 6 molecules of Oxygen.Ĭellular respiration is the breakdown of those sugars to release that sunlight energy back into a usable form (ATP). So it takes 6 Carbondioxide molecules and 6 Water molecules to store sunlight energy as one molecule of glucose (sugar). Photosynthesis (what happens inside a plant to produce oxygen): Like all chemical reactions you never end with less than what you started with. These are both actually the same chemical reaction just reversed. So we need oxygen for a process called cellular respiration right? And plants produce (synthesize) sugar and oxygen using energy from sunlight (photo) in photosynthesis. Oxygen Production by Urban Trees in the United States. That honor goes to phytoplankton in our oceans, which collectively are responsible for the majority of the world's oxygen supply. Moreover, trees are not even the biggest source of oxygen on Earth. Forests all over the world continuously pump oxygen that is mixed into the atmosphere and spreads across the globe. That may sound like a lot of trees, but fortunately the oxygen we breathe doesn't need to be produced locally. Philadelphia) you need about 20 trees to provide enough oxygen for one person.
HOW TO MAKE THE OXYGEN NOT INCLUDED TRAINER WORK FULL
Here is the full table, where you can see that in an average city (e.g. However, I found one study 1 where researchers estimated the number of trees needed to offset the average oxygen consumption of a single person in various North American cities. The exact number will depend of course on the location, size, species, and maturity of the trees, etc. We make our world significant by the courage of our questions and by the depth of our answers. For more open-ended questions, try /r/AskScienceDiscussion | Sign up to be a panelist!.Looking for flair? Sign up to be a panelist!.Neuroscience, Neurology, Neurochemistry, Cognitive NeuroscienceĪsk Anything Wednesday - Physics, Astronomy, Earth and Planetary ScienceĪskScience AMA Series: Meteoriticist/Cosmochemist Greg BrenneckaĪsk Anything Wednesday - Engineering, Mathematics, Computer scienceĪskScience AMA Series: Neglected Tropical DiseasesĪsk Anything Wednesday - Biology, Chemistry, Neuroscience, Medicine, PsychologyĪskScience AMA Series: Long COVID + DepressionĪskScience AMA Series: Mental Health and ThrombosisĪsk Anything Wednesday - Economics, Political Science, Linguistics, AnthropologyĪskScience AMA Series: Cuttlefish and the Marshmallow Test Medicine, Oncology, Dentistry, Physiology, Epidemiology, Infectious Disease, Pharmacy, Human Body Psychology, Cognitive Psychology, Developmental Psychology, Abnormal, Social Psychology Social Science, Political Science, Economics, Archaeology, Anthropology, Linguisticsīiology, Evolution, Morphology, Ecology, Synthetic Biology, Microbiology, Cellular Biology, Molecular Biology, Paleontology Mechanical Engineering, Electrical Engineering, Structural Engineering, Computer Engineering, Aerospace EngineeringĬhemistry, Organic Chemistry, Polymers, Biochemistry Mathematics, Statistics, Number Theory, Calculus, AlgebraĪstronomy, Astrophysics, Cosmology, Planetary FormationĬomputing, Artificial Intelligence, Machine Learning, ComputabilityĮarth Science, Atmospheric Science, Oceanography, Geology Theoretical Physics, Experimental Physics, High-energy Physics, Solid-State Physics, Fluid Dynamics, Relativity, Quantum Physics, Plasma Physics /r/AskScienceDiscussion: For open-ended and hypothetical questions.FAQ: In-depth answers to many popular questions.Weekly Features: Archives of AskAnything Wednesday, FAQ Fridays, and more!.Be civil: Remember the human and follow Reddiquette.Report comments that do not meet our guidelines, including medical advice.Downvote anecdotes, speculation, and jokes.Upvote on-topic answers supported by reputable sources and scientific research.Answer questions with accurate, in-depth explanations, including peer-reviewed sources where possible.Please read our guidelines and FAQ before posting
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