air around us
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STRUCTURE OF THE ATMOSPHERETROPOSPHERE: THIS IS THE PORTION WE LIVE IN AND IS , THEREFORE , MOST FAMILIAR TO US . IN THE TROPOSPHERE , ON AN AVERAGE , THE TEMPREATURE DECREASES AT RATE OF 1C WITH EVERY 165m ASCEND.STRATOSPHERE: IT PROVIDES VISIBILITY AT ITS FINEST . AIRCRAFT FLY THROUGH THIS LAYER BECOUSE IT FACILITATES VISIBILITY AND EASIEST FLY CONDITIONS.
STRUCTURE OF THE ATMOSPHEREMESOSPHERE: THIS LAYER CONTAINS OZONE LAYER . WHICH IS AN IMPORTANT PART OF LAYERS OF ATMOSPHERE.
THERMOSPHERE : IN THE LOWER PART OF THIS LAYER , ION – PARTICLES ARE PRESENT WHICH ARE ELECTRICALLY CHARGED AND PLAY AN IMPORTANT ROLE IN OUR WIRELESS COMMUNICATION.
AIR AND ITS COMPOSITIONCOMPOSITION OF AIR
NITROGEN : IS INDIRECTLY USEFUL TO US . PLANTS ABSORB NITROGEN THROUGH SOIL FOR THEIR GROWTH AND DEVELOPMENT.
OXYGEN: OXYGEN IS KNOWN AS LIFE SUPPORTING GAS . CARBON DIOXIDE : IT IS ABSORB BY THE PLANTS AND RELEASE BY THE HUMAN BEINGS AND ANIMALS.
WARNING: INCREASE IN CARBON DIOXIDE IN ATMOSPHERE IS SERIOUS CONCERN FOR ATMOSPHERE.
OZONE HOLESERIOUS CONCERN FOR US AS, THE PICTURE DEPICTS OZONE HOLE WHICH TELLS US HOW WE ARE CARING FOR OUR MOTHER EARTH ? CAUSES: 1.DEFORESTATION2. URBANISATION 3. POLLUTION4. WASTAGE O F RESOURCES 5. IMMORAL ATTITUDE
POLLUTANTS IN THE AIRPOLLUTANTS LIKE CARBON MONO-OXIDE ,SULPHUR DIOXIDE AND LEAD PARTICLES ARE THE MAIN CAUSES OF SERIOUS THREATS FOR ENVIORNMENT AND HUMAN BEINGS .
SMOG: THE SMOKE PARTICLES WHEN COMBINED WITH FOG FORM SMOG.
DISEASES: THE ABOVE PARTICLES CAUSE DISEASES LIKE IRRITATION IN EYES , SKIN DISEASE , RESPIRATORY DISEASES.
POLLUTANTS IN THE AIRIN COMPARISON DEVELOPED COUNTRIES CAUSE MORE POLLUTIONS THAN DEVELOPING COUNTRIES. FOR FURTHER INFORMATION STUDY KYTO PROTOCAL OF UNITED NATIONS.
DEVICE TO MEASURE AIR PRESSURE
THE DEVICE IS AN ANEMOMETRE.IT IS USED TO MEASURE WIND SPEED AND IS A COMMON WEATHER STATION INSTRUMENT.
DEVICE TO MEASURE AIR PRESSURE
THE DEVICE IS BAROMETER. THE DEVICE IS USED ESPECIALLY FOR MEASURING AIR PRESSURE.
THE DEVICE IS PSYCHOMETER. THE DEVICE IS TO MEASURE HUMIDITY.
DEVICE TO MEASURE AIR PREASSURE
DEVICE TO MEASURE RAINFALL
THE DEVICE IS
RAINGAUGE.
DEVICE TO MEASURE RAINFALL
THE DEVICE IS THERMOMETER.AS
WE KNOW THERMOMER IS TO
MEASURE BODY TEMPREATURE OVEN OR FOOD
TEMPREATURE. IT ALSO USED FOR AIR
TEMPREATURE.
MECHANISM OF RAINFALLAS THE HOT AIR RISES ,IT REACHES HIGH IN THE ATMOSPHERE WHERE
IT COOLS DOWN DUE TO THE PRESENCE OF LOW
TEMPREATURE.THE WATER VAPOURS IN THE AIR
CONDENSES INTO TINY DROPLETS AND JOIN TOGETHER AND FORM
CLOUDS . DUE TO FURTHER COOLING THEY BECOME LARGER
DROPLETS .HENCE THEY FALLDOWN AS RAINFALL OR
SNOW.
MONITORING WEATHER CONDITIONS
MONITORING WEATHER IS VERY HELPFUL IN
FORECASTING OF TEMPREATURE ,HUMIDI
TY RAINFALL , WIND VELOCITY , SUNRISE
AND SUNSET.