Adichanallur Excavation

Collective security

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  Collective security is a principle in international relations where countries agree to work together to maintain peace and respond collectively if any member is threatened or attacked . The basic idea is that an attack against one is considered an attack against all , so all members act together to stop aggression. Key Meaning Collective security means that all participating nations cooperate to prevent war and maintain global peace by jointly opposing aggression . Instead of each country defending itself alone, the entire group takes responsibility for security . Main Features Mutual Protection – Member countries promise to defend each other. Prevention of Aggression – Any country that attacks another faces opposition from all members. International Cooperation – Countries work together through international organizations. Maintenance of Peace – The goal is to discourage war through unity. Example A well-known example is the system established by the United N...
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Chemistry

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Chemistry is a branch of science that studies the compounds formed by atoms, that is, elements and molecules. In general, the interaction of atoms is important here. All news about their nature, structure and resulting properties is examined in this field. It is described here that atoms and molecules form chemical bonds[1][2]. There are several types of bonds. One of them is coordination. One such bond is a covalent bond. In this type of bond, one or more electrons are shared. Ionic bonding is the donation of electrons by one compound to another. In addition to these, hydrogen bonds and van der Waals bonds are formed. And the following can be considered as other types.

Organic chemistry
Inorganic chemistry - Inorganic chemistry
Physical chemistry
Focuses on atoms and their interactions, especially on the nature of chemical bonds.

Chemistry is sometimes referred to as the "centre of science" because chemistry is the branch that naturally connects geology and other natural sciences. Although chemistry is a part of physical science, it is distinct from physics.
I am new beginner of blogger , but now trying to posted very good new blogs in the fields of history,education,society of mankind,agriculture and etc,.

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  Ramalinga Swamigal Popularly known as Vallalar, Ramalinga Swamigal or Ramalinga Adigal (1823–1874), was born in Marudhur, a village near Chidambaram. After his father’s death, his family moved to his brother’s house in Chennai. Despite having no formal education gained immense scholarship. Ramalinga emphasised the bonds of responsibility and compassion between living beings. He expressed the view that ‘those who lack compassion for suffering beings are hard-hearted, their wisdom clouded’.  He showed his compassion and mercy on all living beings, including plants. This he called jeevakarunya. He established the Samarasa Vedha Sanmarga Sangam in 1865, and it was renamed “Samarasa Suddha Sanmarga Satya Sanga”, which means “Society for Pure Truth in Universal Selfhood”. Ramalinga also established a free feeding house for everyone irrespective of caste, at Vadalur (1867), in the wake of a terrible famine in South India in 1866. His voluminous songs were compiled and published und...
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