Question

in which climate region variation of temperature is absent
option:-
a.equatorial
b.tundra
c.mediterranean
d.desert

please explain too

Answer 1

Equatorial climatic region :-
Regions with this type of climate experience high temperatures throughout the year. These regions receive very heavy rain fall and humidity is very high. The average temperature here remains around 26 - 28 Degrees Celsius.

Tundra climatic region :-
Tundra region is the coldest place of the world. The average winter temperature remains way below 0 Degree Celsius. The summers last for around two months in this region and the Sun shines 24 hours a day in these days. There is a great variation in temperature in this region in winters and summers. In winters the temperature falls to -70 Degree Celsius in extreme conditions and in summers the temperature remains at freezing point or just above it.
 
Mediterranean climatic region :-
Most of the regions with Mediterranean climates have relatively mild winters and very warm summers. However, winter and summer temperatures can vary significantly in this region.

Desert region climate :-
In most of the hot deserts, days are very hot and nights are cool in summer season and days are hot and nights are very cold or the temperature goes to the freezing point in the winters. One example of hot desert is Sahara desert of Africa.The cold deserts are hot in summers but very cold in winters. One example of cold desert is Gobi desert of Mongolia.

So, in the Equatorial region climate, the temperature variation is almost absent.

Answer 2

In equatorial the climate region variation of temperature is absent. It remains very hot through out all the years, and high annual rainfall too. The variation in temperature is very small