a:16:{i:0;a:6:{s:4:"html";s:13:"Hello teacher";s:6:"userId";i:36181781;s:7:"created";s:19:"2020-12-15 21:20:15";s:4:"flow";i:0;s:12:"deleiverTime";i:1608047422069;s:8:"readTime";i:1608047421312;}i:1;a:6:{s:4:"html";s:12:"Good evening";s:6:"userId";i:36181781;s:7:"created";s:19:"2020-12-15 21:20:24";s:4:"flow";i:1;s:12:"deleiverTime";i:1608047425195;s:8:"readTime";i:1608047673133;}i:2;a:6:{s:4:"html";s:25:"It is very less in amount";s:6:"userId";i:35087795;s:7:"created";s:19:"2020-12-15 21:20:38";s:4:"flow";i:2;s:12:"deleiverTime";i:1608047440093;s:8:"readTime";i:1608047566093;}i:3;a:6:{s:4:"html";s:47:"Elements which are less in nature are expensive";s:6:"userId";i:35087795;s:7:"created";s:19:"2020-12-15 21:20:52";s:4:"flow";i:3;s:12:"deleiverTime";i:1608047454395;s:8:"readTime";i:1608047565487;}i:4;a:6:{s:4:"html";s:28:"Also gold is shiny in nature";s:6:"userId";i:35087795;s:7:"created";s:19:"2020-12-15 21:21:01";s:4:"flow";i:4;s:12:"deleiverTime";i:1608047464027;s:8:"readTime";i:1608047565455;}i:5;a:6:{s:4:"html";s:37:"Less amount mai you coal bhi hota hai";s:6:"userId";i:36181781;s:7:"created";s:19:"2020-12-15 21:21:14";s:4:"flow";i:5;s:12:"deleiverTime";i:1608047476124;s:8:"readTime";i:1608047673084;}i:6;a:6:{s:4:"html";s:4:"How?";s:6:"userId";i:35087795;s:7:"created";s:19:"2020-12-15 21:21:24";s:4:"flow";i:6;s:12:"deleiverTime";i:1608047486120;s:8:"readTime";i:1608047565418;}i:7;a:6:{s:4:"html";s:40:"Coal is present in more amount than gold";s:6:"userId";i:35087795;s:7:"created";s:19:"2020-12-15 21:21:42";s:4:"flow";i:7;s:12:"deleiverTime";i:1608047503034;s:8:"readTime";i:1608047565380;}i:8;a:6:{s:4:"html";s:19:"Coal is not element";s:6:"userId";i:35087795;s:7:"created";s:19:"2020-12-15 21:21:57";s:4:"flow";i:8;s:12:"deleiverTime";i:1608047518096;s:8:"readTime";i:1608047565347;}i:9;a:6:{s:4:"html";s:15:"Gold is element";s:6:"userId";i:35087795;s:7:"created";s:19:"2020-12-15 21:22:04";s:4:"flow";i:9;s:12:"deleiverTime";i:1608047525204;s:8:"readTime";i:1608047565285;}i:10;a:6:{s:4:"html";s:98:"The metal is abundant enough to create coins but rare enough so that not everyone can produce them";s:6:"userId";i:35087795;s:7:"created";s:19:"2020-12-15 21:22:41";s:4:"flow";i:10;s:12:"deleiverTime";i:1608047563081;s:8:"readTime";i:1608047564578;}i:11;a:6:{s:4:"html";s:3:"Okk";s:6:"userId";i:36181781;s:7:"created";s:19:"2020-12-15 21:23:12";s:4:"flow";i:11;s:12:"deleiverTime";i:1608047594104;s:8:"readTime";i:1608047672604;}i:12;a:6:{s:4:"html";s:115:"Gold doesn't corrode, providing a sustainable store of value, and humans are physically and emotionally drawn to it";s:6:"userId";i:35087795;s:7:"created";s:19:"2020-12-15 21:23:18";s:4:"flow";i:12;s:12:"deleiverTime";i:1608047600069;s:8:"readTime";N;}i:13;a:6:{s:4:"html";s:10:"OK teacher";s:6:"userId";i:36181781;s:7:"created";s:19:"2020-12-15 21:23:43";s:4:"flow";i:13;s:12:"deleiverTime";i:1608047624076;s:8:"readTime";i:1608047672572;}i:14;a:6:{s:4:"html";s:4:"Good";s:6:"userId";i:35087795;s:7:"created";s:19:"2020-12-15 21:23:58";s:4:"flow";i:14;s:12:"deleiverTime";i:1608047640150;s:8:"readTime";N;}i:15;a:6:{s:4:"html";s:14:"Thank you ðŸ™";s:6:"userId";i:36181781;s:7:"created";s:19:"2020-12-15 21:24:30";s:4:"flow";i:15;s:12:"deleiverTime";i:1608047672090;s:8:"readTime";i:1608047672538;}}