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GMAT Exam
Despite the fact that the seeds of certain tropical trees fall mostly around the parent tree, the seeds that land farther from the parent trees of these species have the greatest chance of germinating. One hypothesis is that the effect is caused by rodents eating a larger number of seeds beside the parent tree than seeds in places farther away, but studies have shown that this is not so.
Which of the following, If true, would most help explain the effect described above?

It can be inferred from the passage that which of the following occurs when a salesperson employs the top-down sales tactic and does not occur when the bottom-up sales tactic is employed?