Question

Very accurate measurement of time is now possible by using _______in watches​

Answer 1

Answer:

quartz

Explanation:

These watches have the crystals of a substance called quartz.

These crystals can vibrate very fast and at a very precise rate. These vibrations are used to measure time accurately.

hope this helps

Answer 2

Answer:

I have not got the answer nd my frnd tell that the that is wrong answers