Ok I'll send the answers soon
Well its all due to Green house gasses produced through factories and automobiles, with the abundance of the world, driving, fly, and burning gas and oil on the whim we are playing a major role in this and unless a new technology that can surpass oil and natural gas we are slowly killing ourselves and the world.
D. Hydrogen
Two elements make up the overwhelming majority of the sun's matter, by mass: hydrogen (about 70 percent) and helium (about 28 percent).
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