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How many trees are needed to supply enough oxygen -for 30 people for a year?

10


How many trees can produce oxygen?

One mature tree can produce enough oxygen for two people in a year. So, the number of trees needed to produce oxygen for a certain population would depend on the oxygen needs of that population.


History of oxygen?

Oxygen has came from trees many years ago.


Why are does the US have so many trees?

The us has so many trees because we use their oxygen


How does saving the rain forest clash with current human needs?

The rain forest has many trees in it. We need trees to breath. If we dont have any trees, then we dont have any oxygen. Then we die. It saves us if we save the rain forest!


Why do you need so many trees?

we need trees beacuse it gives us oxygen and without oxygen we wouldnt be alive


How many trees are needed to make a cord of wood?

Approximately 128 trees are needed to make a cord of wood.


If there were no trees would you have oxygen?

Yes, there would still be free oxygen in the air if there were no trees. There are many plants that are not trees and that release oxygen. In fact, the Earth's atmosphere was rich in oxygen due to the metabolism of plants in the oceans ages before the first trees appeared on the land.


How many trees are typically needed to produce a cord of wood?

On average, about 500 trees are needed to produce a cord of wood.


How many moles of oxygen are needed to burn 7.0 mols of phosphorus?

8,75 moles of oxygen are needed.


What will happen to livingbeings when there is no trees?

Many living things will die. Tree-dwelling creatures will have no home, and will venture into human lands and soon die. All of the plant life surrounding the trees will die. Humans will also lose trees as a source of building material, and of oxygen. Trees are beneficial to life!


How many chromosomes are needed to make a human?

46 chromosomes are needed to create a human