Question

multiple choice question
which scientist built microscopes that could magnify specimens by about 50 to 300 times?

pasteur
leeuwenhoek
koch
fracastoro

Explanation:

Antonie van Leeuwenhoek is known for constructing single-lens microscopes capable of magnifying specimens 50 to 300 times, allowing him to observe microscopic organisms for the first time. Pasteur, Koch, and Fracastoro made other key contributions to microbiology but did not develop these specific microscopes.

Answer:

Leeuwenhoek