Important years in Kerala history

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A vaccine is a biological preparation that provides active acquired immunity to a particular infectious disease. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbe, its toxins, or one of its surface proteins. The agent stimulates the body's immune system to recognize the agent as a threat, destroy it, and to further recognize and destroy any of the microorganisms associated with that agent that it may encounter in the future.

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ഒരു നിശ്ചിത രോഗത്തിനെതിരേ ശരീരത്തിന്റെ പ്രതിരോധശേഷി വർദ്ധിപ്പിക്കുന്ന ജീവക്കൂട്ടിനെയാണ് വാക്സിൻ എന്നു പറയുന്നത്. രോഗാണുക്കളെ നശിപ്പിക്കാൻ രോഗാണുക്...

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Geography is the study of the physical features of the earth and the atmosphere surrounding the earth. Geography caters to the weather, the climate, and the landforms of the earth. Weather stations typically have the following instruments:.

Anemometer for measuring wind speed.
Barometer for measuring atmospheric pressure.
Hygrometer for measuring humidity.
Pyranometer for measuring solar radiation.
Rain gauge for measuring liquid precipitation over a set period of time. .
Thermometer for measuring air and sea surface temperature.
Windsock for measuring general wind speed and wind direction.
Wind vane also called a weather vane or a weathercock: it shows whence the wind is blowing.
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Questions related to Geography Instruments ആകാശത്ത് നിന്ന് സ്റ്റീരിയോസ്കോപ്പിക്ക് ക്യാമ...

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Battle Year Place Winner Loser .
First Anglo-Afghan War 1842 Afghanistan British East India Company Dost Mohammad Khan (Emir of Afghanistan) .
Gwalior Campaign 1843 Gwalior British East India Company Maratha Empire .
Battle of Ferozeshah 1845 Ferozeshah British East India Company Sikh Empire .
Battle of Mudki 1845 Mudki British East India Company Sikh Empire .
Battle of Aliwal 1846 Aliwal British East India Company Sikh Empire .
Battle of Sobraon 1846 Sobraon British East India Company Sikh Empire .
Battle of Ramnagar 1848 Ramnagar Sikh Empire British East India Company .
Battle of Chillianwala 1849 Chillianwala Sikh Empire British East India Company .
Battle of Gujrat 1849 Gujrat British East India Company Sikh Empire .
Siege of Multan 1849 Multan British East India Company Multan .
Battle o...

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