What is a heliocentric model?
a)A solar system model that has the Earth in the center
b)A solar system model that has the sun at the center
c)A model that is created using measurements of the sun in the sky at certain times of the day
d)A model where the earth can rotate freely

The answer is atmosphere. there are four spheres of the earth: 1. geosphere (from greek word 'geo' = ground), 2. hydrosphere (from greek word 'hydro' = water), 3. biosphere (from greek word 'bio' = life), and 4. atmosphere (from greek word 'atmo' = air). a magnetosphere is a region of space around astronomical objects controlled by the magnetic field of that object. through the process of elimination, since lightning is present in the air, it can be found in the atmosphere.

It was said to have happened by earthquakes, the shifts in the tectonic plates moved everything 

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It would be most likely,  e. horizon