thanhs for horrible comments i think the students ve vot superb knowledge that what the globalwarming is it is a fact not fiction i ve studued many books but there is not any thing about fiction it is afact and nothing so plz keep in mind TO PASS COMMENTS IS EASY BUT TO APPER IN PAPAER AND TO SLOVE THE QUESTION IS DIFFICULT IT IS A FACT AS FAR AS TWWO SCHOOLS RE CONCERENED THRE RE NOT TWO SKOOLS OF THOUGHT IF IT IS FICTION THEN THE WORLD IS FOOL TO DICUSS THIS TOPICS ABOVE ALL THANKS AS far as doctor sb outline is concerned sir ur outline is superb WHATEVER THE SPELL IS IT MUST BE COMMUNICATIVE AND IT IS I AM SURE U WOULD GET EASILY 45 MARKS IN ESSAY