Paragraph⑥_____
ASoot'sRoleinClimateChangesAboveOceansandLand
BObservationsofWarmingintheNorthernHemisphere
CExplanationofIncreasedWarmingEffectCausedbySoot
DBlackSootinSnowandIcyAreasLeadingtoClimateChange
EBlackSootContr ibutingtoGlobalWarming
FGreenhouseGasesastheMainFactorofGlobalWarming
答案及解析:从本段的开头两句话可以看出,温室气体仍是导致全球变暖的首要因素。



