Aula 3 - Leis de Conservação

Round-12 hunt: picked; channel-level screens (sellers/exam/re-upload/devotional/vendor/events), provenance check, vendor/seller/devotional recheck and quality ranking (tier C) passed; strict per-title check + final strict pass; oEmbed verified.

A 29-minute video from Prof. Artur: “Aula 3 - Leis de Conservação”.

Video by Prof. Artur, played through YouTube's embedded player.