Hl=en&q=greenhouse+effect&aq=f&aqi=g10&aql=&oq=&gs rfai=&fp=3583fffe09773ba0

{| class="wikitable" ! sl .no ! name ! score
 * 1
 * kumar
 * 100
 * 2
 * santhi
 * 58
 * santhi
 * 58