Sagot :
Answer:
MGA PANGYAYARI SA IBA – IBANG
YUGTO NG PAG - UNLAD
KAHALAGAHAN SA KASALUKUYAN
Paggamit ng Apoy
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Pagsasaka
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Pag – iimbak ng labis na
pagkain
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Paggamit ng mga pinatulis
na bato
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Paggamit ng mga
kasangkapang metal
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Paggamit ng mga
kasangkapang metal
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