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Geography

Distinguish between the following:

(i) Climate and Weather

(ii) Absolute and Relative humidity

(iii) Diurnal range of temperature and annual range of temperature

Weather & Climate

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Answer

(i) Difference between Climate and Weather:

ClimateWeather
Climate is the average weather condition of a region over a long period of almost 30 years.Weather is the day-to-day condition of atmosphere of a place.
Climate involves systematic observation recording and processing of the various elements of climate, i.e. air pressure, humidity, winds, clouds and sunshine.The weather condition may include wind, temperature, snow, rain, storm or sunshine which changes frequently.

(ii) Difference between Absolute and Relative humidity:

Absolute humidityRelative humidity
Absolute humidity is the actual amount of water vapour present in the air.It is the ratio between the actual amount of water vapour and the total amount of water vapour that the air can hold at a given temperature.
It is expressed in grams per cubic metre.It is expressed as percentage.

(iii) Difference between Diurnal range of temperature and annual range of temperature:

Diurnal range of temperatureAnnual range of temperature
The difference between the maximum and minimum daily temperature is known as diurnal temperature range.The difference between the hottest and coldest months, with monthly mean temperatures, is called the annual temperature range.

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