praveenkuragodi wrote:
pushpitkc wrote:
In a study of the effect of pollution from underwater oil rigs on the fish population in the rigs' vicinity, researchers
compared fish caught in areas near oil rigs with those caught in areas more than a hundred miles away from any
oil rig. Finding no differences in the health of the fish in the two catches, the researchers concluded that pollution
from oil rigs poses no serious health hazard to the fish population in the rigs' vicinity.
Which one of the
, most seriously weakenscompared fish caught in areas near oil rigs with those caught in areas more than a hundred miles away from any
oil rig. Finding no differences in the health of the fish in the two catches, the researchers concluded that pollution
from oil rigs poses no serious health hazard to the fish population in the rigs' vicinity.
Which one of the
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