Question

what prevents the mercury level in the glass tube of a ​

Answer 1

Answer:

In clinical thermometers, there is a small bent at the bottom of the tube containing mercury. It is called a kink. The kink prevents the mercury level from falling down on its own.

Explanation:

Answer 2

In clinical thermometers, there is a small bent at the bottom of the tube containing mercury. It is called a kink. The kink prevents the mercury level from falling down on its own.