GMAT Critical Reasoning (CR) | Advertisement: Attention pond owners! Ninety-eight percent of mosquito

Advertisement: Attention pond owners! Ninety-eight percent of mosquito larvae in a pond die within minutes after the pond has been treated with BTI. Yet BTI is not toxic to fish, birds, animals, plants, or beneficial insects. So by using BTI regularly to destroy their larvae, you can greatly reduce populations of pesky mosquitoes that hatch in your pond, and you can do so without diminishing the populations of fish,frogs, or beneficial insects in and around the pond.

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