A. Observation – hypothesis – law – theory
B. Observation – hypothesis – deduction – testing of deduction
C. Hypothesis – observation – deduction – testing of deduction
D. law – theory – deduction – observation
A. Observation – hypothesis – law – theory
B. Observation – hypothesis – deduction – testing of deduction
C. Hypothesis – observation – deduction – testing of deduction
D. law – theory – deduction – observation