>>508647992
>unproven angles
its literally all backed by hard physical evidence.
>nothing exists today, built in any real relatable way
the chemical reactions are still the same, they just use a different energy source and still produce the same chemical products for the same usecases.
>They didn't need a "manufacturing sector," for chemicals
yes of course they needed it, every advanced civilization has a chemical industry.
>because there wasn't 8 billion people
if you wanna make more people and expand you gonna need chemistry, thats why the Haber Bosch process started the population explosion and the Haber Bosch process comes from ancient egypt.
>any type of functioning economy
they knew what gold is.