Class 10 Science Chapter 1 notes

array(2) { [0]=> object(stdClass)#5012 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "j1rPgHlgM84" ["related_video_title"]=> string(123) "Biology जीवविज्ञान ke most important questions 🤔🤔 #Neeraj study centre #biology #shorts #ytshorts" ["posted_time"]=> string(21) "8 дней назад" ["channelName"]=> string(20) "Neeraj study centre " } [1]=> object(stdClass)#4985 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "9wBXhO8G9lM" ["related_video_title"]=> string(103) "🔥 Board exam 2026 science viral paper #Neeraj study centre #boardexam2026 #boardexam #science #short" ["posted_time"]=> string(19) "2 дня назад" ["channelName"]=> string(20) "Neeraj study centre " } }