A．When the method of controlled experiment was first introduced.B．When Galileo succeeded in explaining: how things happen.C．When Aristotelian scientists tried to explain why things happen.D．When scientist were able to acquire an understanding of reality by reasoning.
A．When the method of controlled experiment was first introduced.
B．When Galileo succeeded in explaining: how things happen.
C．When Aristotelian scientists tried to explain why things happen.
D．When scientist were able to acquire an understanding of reality by reasoning.