A)Observation
→ hypothesis formulation
→ question
→ experiment
→ prediction
B)Observation
→ question
→ hypothesis formulation
→ experiment
→ support or refute hypothesis
C)Observation
→ question
→ hypothesis formulation
→ experiment
→ prove or disprove hypothesis
D)Observation
→ question
→ experiment
→ hypothesis formulation
→ prove or disprove hypothesis
E)Observation
→ question
→ experiment
→ hypothesis formulation
→ support or refute hypothesis