I would say developed technologies which somehow were lost
like the stone age: the stone hammer, who used that afterwards in the roman empire era and stuff?
Stratovolcanoes, or composite volcanoes, mostly erupt dust, ash, and cinders.
During the chemical reaction, the solid substance that is insoluble formed during the combination of two aqueous solutions is called a precipitate. The answer is letter C. The precipitation reaction occurs when a salt is formed in the reaction of solutions with salts.
Answer:
Do you mean Esterification experiment?
Explanation: