Withoutthesun’slight_____theearth’ssurface,nolifecouldexistontheearth. A: warms B: warmed C: warming D: towarm

Withoutthesun’slight_____theearth’ssurface,itwouldbesocoldthatlifecouldnotexistontheearth. A: warms B: warmed C: warming D: towarm

PleaseListentothefollowingTEDtalkandanswerthequestionsfollowed. (1分55秒-2分17秒） BritishphysicistJohnTyndall,inthe1850's,madelaboratorymeasurementsoftheinfraredradiation,whichisheat.AndheshowedthatgassessuchasCO2___________,thusactinglikeablanketwarmingEarth'ssurface.

PleaseListentothefollowingTEDtalkandanswerthequestionsfollowed. (1分55秒-2分17秒） BritishphysicistJohnTyndall, inthe1850's, madelaboratorymeasurements oftheinfraredradiation, whichisheat. AndheshowedthatgassessuchasCO2___________ , thusactinglikeablanket warmingEarth'ssurface.