Answer:
B. Invent the concept of acceleration.
Explanation:
He is known as the father of observational astronomy, modern physics, scientific method, and modern science.
Of all the options given the only one he did not do was invent the concept of acceleration, this concept was thought previously by the Greeks. What Galileo did was defied the authority of the previous minds who thought that. He proposed that acceleration works on objects equally regarding their mass.
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