Respuesta :
Answer:
Designing an experiment
Explanation:
After forming a hypothesis you need to prove it, so you must design an experiment to do so.
Answer:
D) Designing an Experiment
Explanation:
After you write your hypothesis, you would design your experiment.
Summarizing results comes much later, after the experiment is already conducted.
Asking a question comes prior to the hypothesis.
Making observations comes during the experiment.
You must design the experiment before you can make observations or summarize results.
