interact verb [I]. âº to âcommunicate with or âreact to each other: He does not interact well with the other âstudents. interaction noun [C/U] us /ËÉªnÂ·tÉrËaekÂ·tÉrËÃ¦k/ âº [ÊÉn] âc drug. interactions [Noun/C] u /usÂ·ËÉªnÂ·tÉrËaek/. tÉrËÃ¦k ÊÉn
Scientists estimate a safe oxygen consumption of 50 liters per hour for a human. Meanwhile, a leaf gives off about five milliliters of oxygen per hour. A person would need to be in a room with about ten thousand leaves. About 300 to 500 plants would produce the right amount of oxygen.
2. Right now, one mature leafy tree produces enough oxygen for the lifetime of ten people each season! There are 400 billion trees, 6.7 billion people on Earth â every person has 60 trees.If you did the math, how much oxygen do you think we'd have if there were no trees at ALL?. Right now, one mature leafy tree produces enough oxygen for the lifetime of ten people each season! There are 400 billion trees, 6.7 billion people on Earth â every person has 60 trees.