The __ Theory Explains How the Universe Began
Puzzle 12 of Alliteration Piece of Cake Pack
Question is: The __ Theory Explains How the Universe Began
and the answer is: BIGBANG
Word Meaning:
BIG BANG — (astrophysics) a physical theory that describes how the universe expanded from an infinitely small, hot, and dense point.
Definitions from Wiktionary.