1.0Current Affairs Examhttps://exam.pscnotes.com/current-affairsrawan239https://exam.pscnotes.com/current-affairs/author/rawan239/rich600338<blockquote class="wp-embedded-content" data-secret="s70cUU0C0C"><a href="https://exam.pscnotes.com/current-affairs/thamirabarani-civilisation-in-tamil-nadu/">Thamirabarani Civilisation in Tamil Nadu</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://exam.pscnotes.com/current-affairs/thamirabarani-civilisation-in-tamil-nadu/embed/#?secret=s70cUU0C0C" width="600" height="338" title="“Thamirabarani Civilisation in Tamil Nadu” — Current Affairs Exam" data-secret="s70cUU0C0C" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); </script> The Thamirabarani civilisation excavated in Nadu is at least 3,200 years old, exhibits carbon relationship performed on organic fabric retrieved from archeological excavations in Sivakalai, Thoothukudi district. The determination of the age of natural release from the relative proportions of the carbon isotopes carbon-12 and carbon-14 that it contains is called Carbon Dating. Thamirabarani River ... Read more