12 Surprising Facts About Trees You May Not Know!
1. Breathe Easy! Trees absorb nasty odours and pollutant gases (nitrogen oxides, ammonia, sulfur dioxide and ozone) and filter particulates out of the air by concealing them on their leaves and bark. Two trees are needed to supply the oxygen needs of each person. A typical person consumes about 175 KILOGRAMS of oxygen a year! …
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