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Amazon rainforest oxygen supply

Amazon rainforest oxygen supply

The Amazon rainforest produces more than 20% the world's oxygen supply.




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Gold in seawater

One cubic mile of seawater contains about 50 pounds of gold.

Siberia's Forest

More than 25% of the world's forests are in Siberia.

1,000 years to circulate

It takes a drop of ocean water more than 1,000 years to circulate around the world.

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