石炭はどうやってできた？　キノコがいなかった説は本当？　地球の歴史　その４５

Revenue estimate

Based on an estimated $0.7–$2CPM (revenue per 1,000 views) — a rough public estimate, not actual creator earnings, which depend on ad rates, audience geography, and monetization settings YouTube doesn't expose publicly.

Total (all-time)$297 – $849