84 .What is the difference between aCFL and an LED LAMP? ( 1 ) Toproduce light, a CFL uses mercuryvapour and phosphor while an LED lampuses semi- conductor material. ( 2 ) The average life span of a CFL ismuch longer than of and LED lamp. ( 3 ) A CFL is LESS energy -efficient ascompared to an LED lamp. Which of the statements given aboveis/are correct?