Climatechangeandalow-carbonlife_____________________theworldclimatehasbeenchanginginrecentyears
Manypeople_________thischange________gasessuchascarbondioxide
Animalsandhumansproducecarbondioxidewhentheyb___________
However,manyotherhumanactivitiesalso_________carbongases
Anytimesomethingisburnt,carbonisputintothea_____________
Carsandotherv_________burnpetrolintheirengines,andelectrical______________mostoftenburnfuelssuchascoalandoilinordertoproduceelectricity
____________________________________________________________________________________________________________(因此,…)Onethingwecanalldo_______________________is_____________________________
___________weproducecarbonwhenwebreathe,thecarbonweproduceinmuchlessthan________producedbyacar
Ofcourse,therearetimes________weneedtotravellongdista