Answer: the sun, because it is its own star in the solar system. it is not a feature of the earth. meanwhile the geyser, core, and mantle are all things found in/on the earth. hope this helped!
The first sentence is correct bc the semicolon divides two independent clauses while replacing a conjunction
This would depend on who the person is
Though I would say that Culture does influence a persons weight
(My guess is true )
