One is immune system.
Electron cloud modle should be the answer
<h2>Hey there! </h2>
<h2>The correct option is:</h2>
<h3>B. Evaporation </h3>
<h2>Explanation:</h2>
<h3>Because the molecules inside the jar are moving upwards, which shows Evaporation. </h3>
<h2>Hope it help you </h2>
