The best position for a cameraman to develop his shots with the best possible quality is any position that, without obstacles, allows him to have a panoramic viewing angle, with possible rotations to modify the degree of vision.
Thus, if the cameraman were in a circle, his ideal place would be in the center of it.
Learn more about circles in brainly.com/question/11833983
Answer is 1234
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Eliminate (I) "all bookstores in California," because we're choosing a SAMPLE, not an entire population of stores.
Keeping this in mind, we'd not choose "Internet bookstores" unless it's clear that we're sampling these stores, not looking at all of them.
This leaves only "randomly selected children's bookstores." Even now I'm not comfortable, because this choice focuses specifically on children's stores (instead of on bookstores in general).