On average one tree produces 260 pounds of oxygen a year, or about 1.4 pounds a day. But this can vary based on species, tree size, age, and its surroundings. Two mature trees can provide enough oxygen for a family of four, according to Canada’s environmental agency “Environment Canada”.
I question the math here. How can 260 pounds averaged over 365 days give an answer greater than 1 pound per day? I come up with about half the stated answer; that is, about 0.7 pounds per day if the 260 pounds per year is correct.
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