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Really, Trees, both leafy and otherwise, reflect sunshine in very particular patterns, making it possible for satellites to map and computers to count strips of land where trees are. Biologists can then sample those places - forests, suburbs, city parks, even city streets - assume a tree density, multiply by acre or hectare, and calculate that. In 2005, there were 400,246,300,201 (more or less) trees on our globe. (That's over 400 billion, for those of you who have trouble working through the commas.) ***EDIT*** - Strange, 400 billion trees only averages out to 60 trees to every 1 human being? Most scientist agree that the data needed to complete the complex mathematics required to accurately approximate the number of trees on the planet Earth simply does not exist. The truth is, we have no idea. Estimates have ranged from anywhere between 1 to 10 trillion trees currently inhabit the surface of the Earth (a considerably noticeable gap can easily be observed between these two figures lol). The number you quoted above (400,246,300,201) was a study funded by an extremely liberal organization which went on to claim (outrageously) that over 50% of the trees on the planet Earth have been harvested/destroyed by human beings. If this were true, the entire human population would have been swept away in an enormous fresh water flood and any remaining survivors would eventually die from starvation, soil degradation/poisoning and/or extreme atmospheric deterioration. I'll let the rest of you decide what you CHOOSE to believe.

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โˆ™ 2015-10-07 08:18:53
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Q: How many trees are there on earth?
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What are the effects of cutting trees?

cutting trees will lead to less rain on earth and increase the temperature of the earth thus leading to the melting of ice and decreasing the land

Is the earth a living or nonliving thing?

No, it is not. the soil, Trees and animals living on it are alive, but the earth itself, isn't.

How earth different from other planet?

It has dogs, fish, trees, people, and cars on it.

What are the effects of cutting down trees?

Trees absorb CO2 so there will be more carbon dioxide in the atmosphere which will contribute to global warming. It will also kill animals as trees are a natural habitat for many animals. If you cut down trees then you have less oxygen producers. If you take out the stumps then you can cause a mud slide. Cutting trees will lead to less rain on earth and increase the temperature of the earth thus leading to the melting of ice and decreasing the land. Cutting down trees (and not replanting them) will effect humans as well as animals, the ecosystem, and the climate because: a) trees happen to be a GREAT source of oxygen b) think about how may animals live in trees...or use their fruits as food c) trees happen to have many advantages to them...but they provide LOTS of shade from the sun's harmful uva rays (hint: sunscreen) d) they maintain ecosystems

Why does Mars have so many craters?

Mars has many craters because it's been hit by many asteroids and space debris. By the way, if we could remove all trees and vegetation, we'd see the earth also has many craters-- not as many as Mars possibly, but scientists know the earth has been hit by asteroids and meteors.

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