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What most likely would happen to the animal populations after chemical spraying kills most of the region's mosquitoes and gnats, both of which are sources of food for frogs? a. a decrease in both frogs and snakes b. a decrease in frogs and an increase in grasshoppers c. an increase in both frogs and snakes d. a decrease in snakes and an increase in hawks e. an increase in both snakes and hawks
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