Fill in the Blanks Greenhouse gas: PrepositionsOnline version Complete the sentences by clicking the prepositions on the right-hand side. Remember you need to start from the first sentence and work your way down in order, as the preposition you click will automatically go to the next available space. by Marietta Chela 1 of as into in on at by from 1 . Carbon dioxide now being released a biogas plant is to be captured and sold onward an industrial ingredient . 2 . They are studying how recycling carbon dioxide ( CO2 ) could be turned a profitable business while benefiting the environment . 3 . This week researchers have been testing out equipment at the Päijät - Häme Waste Centre , which is located at a Gasum biogas facility in Kujala the outskirts Lahti . 4 . In many cases , this purified CO2 can be used to replace CO2 produced fossil sources . 5 . The aim is to set up a CO2 recycling system involving companies the Päijät - Häme region , which includes Lahti . 6 . Recycled CO2 is already used many big companies , but now the plan is to a create a product that is also financially viable on a smaller scale .
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