Nitrogen & Phosphorus Cycles: Always Recycle! Part 2 – Crash Course Ecology #9
By Micah Moen
There’s nothing quite so terrible as needing something that’s sitting right in front of you but not being able to get it. Like say you’re on a lifeboat in the ocean and you’re super thirsty, and there’s 300,000,000 cubic miles of water sitting right in front of you, but you can’t drink any of it. […]
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