I think it’s a or b but Im confused with the question
Answer:
During the hunter gather periods, humans did not live in a permanent place.
Explanation: Nomads can't stay in one place for agriculture so they have to hunt.
Hope this helps! ^^
They are mainly characterized as being corrosive, flammable, and explosive.
Most hazardous waste comes from the chemical and petroleum industries.
The answer is easy. I am not supposed to tell you. The answer is.................................pulse pressure
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