A lot of research and studies have shown that Trench oil, taken out from kitchen waste, ______ the increase of cancers.
A appeals to B. attends to C. contributes to D. devotes to
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A lot of research and studies have shown that Trench oil, taken out from kitchen waste, ______ the increase of cancers.
A appeals to B. attends to C. contributes to D. devotes to
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