Read the paragraphs from “Stick to Real Microscopes.”
The most powerful smartphone micro...
English, 19.04.2020 21:21 rosefoley18
Read the paragraphs from “Stick to Real Microscopes.”
The most powerful smartphone microscopes can magnify objects up to 350 times their actual size. That sounds impressive. But it pales in comparison to what a real microscope can do. A mid-level real microscope can magnify objects up to 2000 times their actual size. Let those numbers sink it. They say that a real microscope is five to six times more powerful than a smartphone microscope.
And what does that mean in the lab? Well, imagine looking at a sample of blood. With a real microscope, one would see individual red blood cells, their specific shapes, and their distinct movements. A smartphone microscope would give the observer a very different picture. Suddenly, the sample would look like just a hazy collection of tiny red blobs (Manea). Remember, scientists seek to gather precise and accurate information. But the information gathered with the smartphone microscope would be less precise and less accurate. It would be less useful. Again, when the two are compared, the smartphone microscope comes up short.
What is the author’s purpose in the paragraphs?
A) to demonstrate how powerful smartphone microscopes are
B) to provide evidence that smartphone microscopes are ineffective tools
C) to describe various uses for smartphone microscopes
D) to compare scientists’ opinions on real and smartphone microscopes
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