What is the situation with respect to matter and antimatter in the universe today?
A) There is perfect symmetry and balance between matter and antimatter.
B) There is a slight imbalance between matter and antimatter, with about one matter particle in excess for every billion matter-antimatter pairs.
C) There is far more matter than antimatter in the universe.
D) There is far more antimatter than matter in the universe.
Correct Answer:
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