نظرية نشأة الكون | الكون | علوم ثالثة اعدادي

Whole-channel inclusion: أكاديمية التحرير is an honest teaching channel (title sample + 3 transcripts read: Two of three transcripts show genuine structured instructional content (physics problem-solving, biology/neuroscience explainer), consistent with the whole-channel verdict.); this title passed a strict title check (sonnet) after a labelling pass.