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because they are made of plants and animals that decayed over the million years and
produced gases
its not renewble
it harms the enviroment
carbon dioxide gas
both of them are non renewable gasses
the global warming phenomenon will decrease to happen
instead of throwing some plants away we can use it to make biofuel
it is harmful for the enviromemt
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because they replaced using biofuels which cost alot of money by using natural renewable
recourses which cost nothing
(however)
(on the other hand)
4
harmful
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by using the personal pronoun ''we'' in many sentences
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because it gave both advantages and disadvantages / it was supported by facts and evidence
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