Mellisa was observing pollen grains moving in water through a microscope.What kind of motion does the pollen grains exhibits?
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https://www.meritnation.com/ask-answer/question/why-did-the-pollen-grains-exibited-a-zig-zag-motion-on-water/is-matter-around-us-pure/5554115
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https://www.meritnation.com/ask-answer/question/why-did-the-pollen-grains-exibited-a-zig-zag-motion-on-water/is-matter-around-us-pure/5554115
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