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  1. C

    what do electron microscopes use to focus and magnify an image?

    a.glass lenses b.x rays c.electron beams d.light
  2. C

    regulation of an organism's internal environment to maintain conditions

    suitable for its survival is call? a.stimulus b.homeostasis c.growth d.evolution
  3. C

    what brand of tv is the best? i'm debating on lg samsung sony and jvc..but what

    all of them
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