Inthe1700s,ascientistwassomeonewhothoughtaboutthewaythi...
問題詳情:Inthe1700s,ascientistwassomeonewhothoughtaboutthewaythingsworkandtriedtofindoutwaystomakethingsworkbetter.Today,thatdefinition(定義)isstilltrue.EverytimeBenFranklinsawaquestionandtriedtoanswer...