Question

the diagram shows an example of convection. which label belongs on the arrow? warmer water sinks warmer water rises cooler water sinks cooler water rises

Explanation:

Step1: Recall convection principle

In convection, warmer fluids are less dense.

Step2: Understand density - movement relation

Less - dense fluids rise in a gravitational field. In the case of water, warmer water is less dense than cooler water. So, warmer water rises and cooler water sinks. Since the arrow likely represents the movement of the warmer fluid, the label "Warmer water rises" is correct.

Answer:

B. Warmer water rises