The warm air above the sea rises and the cool air above the land moves out to take its place and we have a land breeze (Figure 9.1 8). ... 3 Convection currents are caused by density changes. ... QUESTIONS 1 How does convection occur?
|Title||:||Physics Insights Ol Tb 2e|
|Author||:||Loo & Loo|
|Publisher||:||Pearson Education South Asia - 2007|