René Descartes was a French philosopher born in 1596, a time when many long-held beliefs were changing. His new
way of thinking led him to decide to doubt everything until
he could prove it. His goal was to achieve certainty through
methodical and logical questioning.
A. The scientific method's first step is to form a question.
B. The scientific method is based on doubting all observations.
C. The scientific method involves changing beliefs about everything.
D. The scientific method is also founded on the importance of
evidence.