| 1. | It can range in size from invisible microscopic particles to grains of sand.
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| 2. | Each of the plates trapped microscopic particles streaming from the sun's outer atmosphere.
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| 3. | A fine dust of microscopic particles from plants is what triggers allergic reactions.
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| 4. | It is coated with microscopic particles of metal that act as miniature reflectors.
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| 5. | The substance adds to the water more microscopic particle around which snowflakes can form.
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| 6. | These microscopic particles move and grow when heated to form the photographic image itself.
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| 7. | The MPR only takes into account the microscopic particles between 0.3 and 1 �m.
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| 8. | Commonly these products deposit as microscopic particles in the skin, in effect a dark pigment.
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| 9. | In 1912 Frederic Lewy described microscopic particles in affected brains, later named " Goedert and others.
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| 10. | Scientists showed that bacteria could load electrons onto and discharge electrons from microscopic particles of magnetite.
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