Question

19 in the early years, models of the solar system would have placed at the center. mars the earth the north star the sun skip 18/47 complete

Explanation:

Early models of the solar - system, such as the geocentric model, placed the Earth at the center. The heliocentric model, which placed the Sun at the center, came later. Mars and the North Star were never considered as the center of the solar - system in historical models.

Answer:

B. the Earth