Earth Science: Lecture 15 - Composition and Structure of the Atmosphere

Whole-channel inclusion: Spahn's Science Lectures is an honest teaching channel (title sample + 3 transcripts read: All three transcripts show sequential, structured college-level lectures with clear instructional explanations, matching the whole-channel verdict.); this title passed a strict title check (sonnet) after a labelling pass.

A 31-minute video from Spahn's Science Lectures: “Earth Science: Lecture 15 - Composition and Structure of the Atmosphere”.

Video by Spahn's Science Lectures, played through YouTube's embedded player.