The answer is either B or D . if scientest discover something they havent known , itll cause the world to collapse into shorter things due to the max of the hydrogen. galaxies move farther apart from the earth itself.
B) Scientist discover that 99% of the universe’s mass is hydrogen
Explanation:
Hydrogen and helium represent almost all nuclear matter in the current state of the universe. This is consistent with the Big Bang theory. This theory indicates that approximately 25% of the universe’s mass is helium, while hydrogen constitutes approximately 73% of the universe’s mass.
