- 問題詳情: Intheatmosphere,carbondioxideactsratherlikeaone-waymirrortheglassintheroofofagreenhousewhichallowsthesun'sraystoenterbutpreventstheheatfromescaping.Accordingtoaweatherexpert'sprediction,theatmospherewilbe3Cwarmerintheyear2050thanitistod...
- 32960