Raju has a beaker filled with water. He started heating the water with a burner. Before the water began to boil, he saw tiny bubbles in the water beaker. What do these bubbles show?
Reveal answer
Fill a bubble to check yourself
Raju has a beaker filled with water. He started heating the water with a burner. Before the water began to boil, he saw tiny bubbles in the water beaker. What do these bubbles show?