Hydrogen. That is how it is continuing to heat, the Hydrogen atoms are fusing to form Hydrogen, but at this point the majority is Hydrogen, eventually it will be majorly Helium, then Carbon.
The answer is C. Protagonist.
Much pollution fills the air because of train s which let off steam that contains chemicals.
Answer:
Latitude and length, coordinate system that defines and describes the location or place of some place on the surface of the Earth.
Explanation: