Plants IIIb soil, hormones, and control

Round-10 hunt: picked; channel-level screens (sellers/exam/re-upload/devotional/vendor/events) and provenance check passed; strict per-title check + final strict pass; oEmbed verified.

A 34-minute video from Professor Revell: “Plants IIIb soil, hormones, and control”.

Video by Professor Revell, played through YouTube's embedded player.