Asmoreandmoreoilisusedup,scientistshavebegunlookingbeneaththeoceanfloorforoiltraps.Sincetheoceanissohugetheremightbevastamountsofoilandgasburiedunderthewater.Buthereitisdifficult,expensive,anddangeroustoremovetheoil.Sometimestheoilisfoundinsomewhatshallowwaternotfarfromthecoast,anddrillingplatformscanbeanchoredtotheoceanfloor..Whentheoilisunderdeeperwater,differenttypesofdillingplatformscanbeanchoredtothewater.ifthetrapisbelowverydeepoceanwaters,itmustbereachedandremovedbyvesselscalleddrillships.Incontrast,oilunderlandisreachedbymuchsimplerdrillsandisthenpumpedoutoftheground.Anotherfactorthatmakesdrilllingunderwatermorediffcultandmoreexpensiveisthatalltheoceansitesmustbereachedeitherbyshiporby
上面是文章下面是题
1.Howdooilangasform?Whyaretheycalledfossilfuels?
2.Whatdoyouthink-isoceandrillingagoodidea?Isitworththedangers?Explain.