Answer:1. What kind of terrestrial motion is portrayed by a free-falling object in accordance with Aristotle's belief?Answer: c. Natural motion(Aristotle believed that objects naturally move toward their "natural place," such as heavy objects falling to Earth.)2. Which is an effect of the precession of the equinoxes?Answer: c. The apparent shifting of the stars(Precession slowly changes the position of stars relative to Earth's axis over thousands of years.)3. Which is NOT an argument by the Ancient Greeks about the sphericity of Earth?Answer: b. The sun rises in the east and sets in the west.(This observation does not directly prove Earth's sphericity—it happens regardless of Earth's shape.)