They believe that burning fossil fuels is the main cause of air pollution. A. It is believed that burning fossil fuels is held responsible for air pollution. B. Burning fossil fuels is beli
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They believe that burning fossil fuels is the main cause of air pollution.
It is believed that burning fossil fuels is held responsible for air pollution.
Burning fossil fuels is believed to result from air pollution.
Burning fossil fuels is believed to have caused high levels of air pollution.
It is believed that air pollution is mainly to blame for burning fossil fuels.