ScarlettFarra200 ScarlettFarra200

02-05-2016
Biology

contestada

How are underground gas or oil leaks cleaned
A.Groundwater is pumped to the surface and purified
B.Sewage treatment are built to clean the water
C.Natural fruit acids are used to dissolve the oil
D.Bacteria are added to the ground water to feed an oil

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Samberkebile Samberkebile

02-05-2016

D.Bacteria are added to the ground water to feed an oil

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