The geocentric theory was once accepted as an explanation of how objects were positioned in our solar system. Which statement best explains this theory? A The orbits of the planets are elliptical and not circular

B The Sun is considered to be the center of the Universe

C Earth is considered to be the center of the revolving planets and stars

D The Sun is considered to be the center of the revolving planets and stars

Ithinks its false. tell me if im wrong

The activity series is shown in the attached picture. if the element is below the other, then you can displace the other. following the activity series as a guide, the reactions are as follows: nickel and aluminum chloride3 ni + 2 alcl₃  → 3 nicl₂ + 2 albarium and copper bromideba + cubr  →  no reaction because cu is less oxidizable than bapotassium nitrate and aluminum3 kno₃ + al  → al(no₃)₃ + 3 ksodium phosphate and zincnaso₄ + zn  → znso₄ + na