The two observations that supported the model of Geocentricism, although we now know them to be inaccurate, are:
II. Everything orbits around Earth - This is the core belief of the Geocentric model, which posited that the Earth was at the center of the universe and all celestial bodies orbited it.
III. All planets orbit in a circular pattern - In the Geocentric model, the heavenly bodies were thought to move in perfect circles around the Earth.
Based on this, the correct answer is:
b. II and III