Zacharias Janssen, credited with inventing the microscope. For millennia, the smallest thing humans could see was about as wide as a human hair. When the microscope was invented around 1590, suddenly we saw a new world of living things in our water, in our food and under our nose.
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Answer:
A. 1590
Explanation:
Zacharias Janssen, credited with inventing the microscope. For millennia, the smallest thing humans could see was about as wide as a human hair. When the microscope was invented around 1590, suddenly we saw a new world of living things in our water, in our food and under our nose.
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