Question

the __________ is a precision measuring tool that uses a very accurate screw thread to perform measurement.
caliper
vernier
straight edge
micrometer

Explanation:

A micrometer is a precision - measuring tool that uses a very accurate screw thread for measurements. A caliper measures by gripping an object. A vernier is often part of a measuring device for more precise readings but not the whole tool. A straight - edge is for drawing straight lines or checking flatness, not for precise measurements using a screw thread.

Answer:

D. Micrometer