Microscope
Telescope
Periscope
Stethoscope
Answer is Wrong!
Answer is Right!
The answer is D. Stethoscope.
A microscope is an instrument used to magnify small objects. A telescope is an instrument used to make distant objects appear closer. A periscope is an instrument used to see above or around an obstacle. A stethoscope is an instrument used to listen to the sounds produced by the body, such as the heartbeat.
A stethoscope is different from the other three options because
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