Question

distinguish between extreme and equable climate?

Answer 1

Extreme climatic conditions give rise to extremely cold or extremely hot or other extreme weather conditions like rain. This kind of weather prevails in places like the tundra region, sub-saharan Africa and in the Cherrapunjee region of Meghalaya. Sometimes extremities in weather conditions may be seasonal. 
Equable climatic conditions give effect to comfortable levels of temperature, rainfall etc. The best example of an equable climate is that in countries like Zambia, Kenya etc, in Africa, which have an eternal spring.