1.

How do microscopic things vary in size

Answer»

Light microscopes let us LOOK at objects as long as a millimetre (10-3 m) and as small as 0.2 micrometres (0.2 THOUSANDS of a millimetre or 2 x 10-7 m), whereas the most powerful electron microscopes ALLOW us to see objects as small as an ATOM (about one ten-millionth of a millimetre or 1 angstrom or 10-10 m)



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