as we all know,we couldn't live without oxygen. and the oxygen is produced by vegetation. warm weather can make plant grow more batter and produce more oxygen.
global warming will raise sea level ,
全球变暖的好处.要英文的是辩论资料,英语课要用,我是正方,要支持全球变暖是好的.
as we all know,we couldn't live without oxygen. and the oxygen is produced by vegetation. warm weather can make plant grow more batter and produce more oxygen.
global warming will raise sea level ,