Supply & Demand -Elasticity
-Complements / Substitutes
- Total Revenue

Can you clean explain each of these concept about micorecomoics please? like revenue and such

Write a sentence with valiant and steadfast

In a study, people were asked to imagine simple occasions that made them happy and to remember events that made them feel proud about themselves. it was observed that the subjects developed an increasingly positive attitude. these changes are known to be healthy, leading to greater physical activity and reducing unhealthy habits. based on this excerpt, we can conclude that a positive attitude .

The most heavily populated areas of africa are found