By means of a hand pestle and mortar, or by a hand mill.
In the past food was ground using a hand pestle and morter,or by a hand mill
In the past food was ground using a hand pestle and morter,or by a hand mill
The past tense of grind is ground.
For the same reasons modern civilizations had slaves. To do work and serve the masters
Only civilizations with a food surplus built them.
The past participle for "grind" is "ground."
Food
Someone who studies past civilizations (archaeology) is an archaeologist.
The past tense of the word grind is ground. The common incorrect past tense verb of grind is grinded.
The past tense of "ground" is "ground" or "grinded," depending on the context. "Ground" is more commonly used as the past tense when referring to the action of grinding something down, while "grinded" may be used in more informal or dialectal contexts.
The likely word is archaeologists (scientists studying past civilizations).
They work anywhere there are possible artifacts or past civilizations.