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To show how soil is formed from rocks
Carefully heat a piece of glass in a flame and then plunge it into cold water. The unexpected cooling of the glass causes it to contract unevenly, and it cracks. Heat some rocks very hot in a fire and then pour cold water on them. The rocks will often break up both when heated and when cooled. One of the stages in the formation of soil is the breaking up of rocks under dissimilarity of temperature.
Making soil from rocks Search some soft rocks in your locality like as shale or weathered limestone. Bring them into the classroom and have the peoples crush and grind them up
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Infectious diseases: Some of you may have heard about the great bubonic plague, a fatal disease of the blood, spread by fleas and respiratory secretions. It occurred in epid
Question 1. With the help of an example, explain the importance of patient preparation in CT scanning? 2. Why Radiation protection & safety aspects are necessary in a radiol
Softening water with chemicals Try making suds with a half test tube of hard water and a few drops of soap solution. Next boil a same sample and again try to make suds by usin
what work of platelets
Improvement of Techniques and Crafts : In this period, there was a spurt in agriculture, as new techniques and seeds were introduced. More importantly, the crafts greatly improv
Antibody Mediated Immune System (AMIS) In antibody-mediated immunity, the antibodies dissolved in blood, lymph and other body fluids bi nd the antigen and trigger a response to
find maximum angle for which the light suffers tir at vertical surface
how the metal tyre is fitted on the wheel of a bullock cart?
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