Question

convection occurs in liquids and gases. what do we call these two types of matter? fluids water plasma

Explanation:

In physics, convection is a mode of heat transfer. Liquids and gases are both classified as fluids because they can flow and take the shape of their containers. Water is a specific liquid, not a general term for both liquids and gases. Plasma is a different state of matter (ionized gas - like in stars) and not related to the general term for liquids and gases.

Answer:

Fluids