How did the scientific method change the way scientists worked beginning in
the 16th century?
A. It required them to challenge the Catholic Church by denying the
existence of God.
B. It stopped them from stealing credit for others' work by banning
repeatable studies.
C. It allowed them to escape the grip of political leaders by creating
new universities.
O D. It encouraged them to rely on observation and experimentation to
support their conclusions.