Multiple choice

Convection in the oceans and atmosphere is a result of the difference in

  1. mass

  2. weight

  3. temperature

  4. volume

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Temperature differences cause variations in density within fluids like water and air. Warmer fluids expand, become less dense, and rise, while cooler, denser fluids sink, creating convection currents.