The question you ask is called the Ship of Theseus problem and there has been no consensus on it despite arguing about it for 2300 years... Some metaphysical th

The question you ask is called the Ship of Theseus problem and there has been no consensus on it despite arguing about it for 2300 years... Some metaphysical theories do entail an answer though, so maybe if you already subscribe to one of those already then you have your answer. https://en.m.wikipedia.org/wiki/Ship_of_Theseus https://en.m.wikipedia.org/wiki/Ship_of_Theseus