Is our planetary system heliocentric or geocentric

All of the following were pre-columbian civilizations in latin america, except

Which summarizes the relationship between density of an element and its distribution in earth? a. the greater an element’s density, the greater the amount of it found in the crust. b. the denser an elements is, the smaller the amount of it earth core. c. the greater an elements density, the smaller the amount of it’s found in the crust

Look at the photo i can’t do geography