资讯
You have been on this journey with me with "The Zit Fix," where I try a bunch of different products to try to clear my acne. And in every single episode, I use this trusty little microscope.
Let's take a look at how to observe cells under a microscope. No prizes for guessing the first thing you'll need: a microscope. But don't worry if you don't have one of your own. Ask your school ...
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