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Biology, 06.05.2020 21:07 jinxjungkook3
Use the drop-down menus to complete the sentences about air pollution. The burning of causes dangerous gases to enter the atmosphere. Heavy, dense fog caused by dangerous gases mixing in the atmosphere is called . occurs when dangerous gases mix in the atmosphere and fall back to the surface in liquid form.
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Use the drop-down menus to complete the sentences about air pollution. The burning of causes dangero...
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