天空依然阳光灿烂
花朵
共回答了29个问题采纳率:96.6% 举报
The climate of the world is changing with the time go by.It`s has lead to many kinds of animals die out.It`s said that the reason of why the dinosaurs die out.
In fact ,as you know the world is becoming hotter and hotter.Many scientists think it is because of carbon dioxide,a gas which can keep warm.If the temperature of the world increase 2℃,the people will disappear.
so,let`s protect our earth now.
1年前
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