• 2021-04-14
    PleaseListentothefollowingTEDtalkandanswerthequestionsfollowed.
    (1分55秒-2分17秒)
    BritishphysicistJohnTyndall, inthe1850's, madelaboratorymeasurements oftheinfraredradiation, whichisheat. AndheshowedthatgassessuchasCO2___________ , thusactinglikeablanket warmingEarth'ssurface.