1) never known or seen or happened before a) contrary to b) op-ed c) unprecedented d) irk 2) different from something a) extract b) contrary to c) unprecedented d) irk 3) a person who cares very much about the environment (but this word is sometimes used as an insult) a) op-ed b) tree hugger c) naysayer d) biofuel 4) to remove or take something out a) add b) fossil fuels c) extinct d) extract 5) fuel made from plant or animal sources - e.g. fuel made from sugar cane a) contrary to b) biofuel c) uranium d) unprecedented 6) a pessimist who says something is not possible, is not good, or will fail a) renewable b) naysayer c) optimist d) tree hugger / greenie 7) to annoy or bother a) irk b) make c) ask d) kick 8) a piece of writing that expresses a personal opinion on the news a) essay b) post c) critical response d) op-ed 9) to hire some a) use b) fire c) irk d) employ 10) a heavy, silver-white, radioactive metal, used in producing nuclear energy a) silver b) aluminium c) iron d) uranium 11) a natural fuel such as coal, oil or gas, formed from the ancient remains of living organisms a) biofuel b) uranium c) fossil fuels d) trees 12) describes energy and natural resources that can replaced naturally a) renewable b) hydro c) solar d) wind

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