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It is used to see the objects that are quite far off. Periscope 7 Binoculars Microscope Spectroscope It is used to magnify very minute particles. ✓ Microscope Periscope Telescope Binoculars It is an automatic running stairway. Escalator Elevator​

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ANSWER:

The CLASSICAL CELL theory was proposed by THEODOR Schwann in 1839.20-Aug-2020



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