concept of hole

Briefly explain the concept of heat and concept of temperature.

Discuss the concept of stock and flow. Why is national income a flow concept ?

Nowadays, there is a tendency to refer to 'wrong concepts' of children as 'alternative conceptions'. This could be attributed to

Concepts

Is national income a stock concept or flow concept ?

Titration| Acid base titration| Concept of dilution| Concept of mixing