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in which on which which Where
in which on which which where
in view of in need of in touch with in harmony with
is ; is will be ; will be is ; will be will be ; is
in which on which which where
Sugar planters imported mongooses to control rats Man should never tamper (损害) with nature To upset the balance of nature can be troublesome Man has complete control over nature
hunters diseases storms and flood forest fires
Studying , helps Studies , to help Study , helping Studying, help
Studying , helps Studies , to help Study , helping Studying, help
is; will be will be; will be is; is will be; is
the relation of wildlife to man the adequacy of the food supply to support its animal population the ratio of small game to predators the destruction of predators
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