What immediate chemical consequence exists for advanced civilization if hydrogen disappears?

Answer

A significant portion of contemporary chemical engineering and agriculture would immediately fail

Hydrogen is essential for basic industrial processes, such as creating ammonia for fertilizer via the Haber-Bosch process, which would immediately fail.

What immediate chemical consequence exists for advanced civilization if hydrogen disappears?

#Videos

Will the Universe Run Out of Hydrogen? - YouTube

Elementuniversehydrogencosmologyabsence