1.86 | The mercury content of a stream was believed to be above the minimum considered safe—1 part
About this video
From a channel a BrighterTube curator vetted · found via BookPractice list channel (Josh), extended under the whole-channel rule · 80% confidenceFrom a channel Lumen includes in full: The Glaser Tutoring Company is two brothers' tutoring channel of worked problems in chemistry, physics and math, mostly textbook exercises solved step by step.
An 8-minute video from The Glaser Tutoring Company's catalogue; the title names its topic.
Video by The Glaser Tutoring Company, played through YouTube's embedded player.