Question

What is the use of kink in a thermometer? *
1 point
it prevents mercury level from falling on its own
it rises the mercury level
it makes the thermometer look beautiful
it acts as a joint to the glass tube that is used for mercury and the scale

Answer 1

Answer:

1. it prevents mercury level from falling on its own .

Answer 2

It prevents mercury level from falling on its own is the correct sentence