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Do you know anything about the world longest mountain range ?

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 Andes is the world longest mountain range with length 7200km that lies in the Southern America covering  seven countries (Venezuela, Colombia, Equador, Bolivia, Peru, Chile, Argentina). Andes mountain range                                  It is also the tallest mountain outside the Asia(4000m).                                        
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All about Vaccines that you need to know..

 What is vaccines? Why is this so useful? How do this function? These are the most common queries that has been developing in the present situation of COVID-19. So lets discuss about it.   What is vaccines?   Vaccines are the preparation of killed or living microorganisms which produce immunity when administered into the body. In simple meaning it's insertion into the body increase the immunity to fight against diseases.   History of vaccination:     About 3000 years ago the first vaccine was developed against the diseases Small pox   developed by Edward Jenner spread in India and Egypt. Edward Jenner observed the milkmaids who   contracted cowpox did not get smallpox lead him to discover the practice of vaccination against smallpox. To understand about vaccination we must understand about antigen and antibody. Antigen:   When the pathogen(diseases causing factor) enters into the human body it releases a toxic chemical to de...
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GREEN MANURE

 In recent past, there has been great increase in food production. One of the major factors for the increase in the food production is the use of fertilizers and pesticides. Fertilizers are used to maintain soil and control of pets. A fertilizer is any substance containing chemical elements needed for plant growth. There are two types of fertilizers. 1) Chemical fertilizers : These contain mineral nutrients which can be absorbed by plant in straight away. General fertilizers contain nitrogen, phosphorus and potassium. Theses are manufactured in fertilizers factories by chemical process. Disadvantages of Chemical fertilizers Chemical fertilizers are very expensive Chemicals used as fertilizers and pesticides are often released and mixed in the environment causing water, air and soil pollution. Excessive use of chemical fertilizers the soil quality and decrease in its potential Injurious to human health Will even destroys the useful micro organisms present in the soil. In order to ov...
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