Paragraph③_____
ASoot'sRoleinClimateChangesAboveOceansandLand
BObservationsofWarmingintheNorthernHemisphere
CExplanationofIncreasedWarmingEffectCausedbySoot
DBlackSootinSnowandIcyAreasLeadingtoClimateChange
EBlackSootContr ibutingtoGlobalWarming
FGreenhouseGasesastheMainFactorofGlobalWarming
答案及解析:第三段解释了为什么soot会增加地球升温效应。



