Which statement best describes the big bang theory? a. the universe began as a ball of energy and has been collapsing since its formation. b. the universe began as a cloud of dust and gas and has been expanding since its formation. c. the universe began at an outer boundary has been collapsing since its formation. d. the universe began at a single point and has been expanding since its formation.
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Which statement best describes the big bang theory? a. the universe began as a ball of energy and h...
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