Question

fill with conjunction 1. switch of the burner ________as the water starts boiling​

Answer 1

Answer:

Explanation:

When boiling occurs, the more energetic molecules change to a gas, spread out, and form bubbles. These rise to the surface and enter the atmosphere. It requires energy to change from a liquid to a gas (see enthalpy of vaporization). In addition, gas molecules leaving the liquid remove thermal energy from the liquid.

Answer 2

Answer:

The answer is and,because it is conjunction