...a large percentage of the oxygen in the earth's atmosphere...
since rain forests contribute a large percentage of the oxygen in the earth's atmosphere.but these individuals are not necessarily evil:in many cases,they are forced to overuse 乱砍在世界的雨林下以1200公顷的率1小时的人民逐字地切开地球的肺,因为雨林在地球的atmosphere.but贡献氧气的大百分比这些个体...