Question

The universe began in an incredibly hot and dense state about 13.8 billion years ago. Since this time, it has been rapidly expanding, causing galaxies to move away from one another. Energy in the coldest depths of space can be explained as radiation left behind from the universe's early, more energetic state.

Answer 1

if your on plato your answer is C. A prominent scientist uses the hypothesis that the universe is much older to guide a scientific investigation

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Answer 2

13.8 billion years.

Step-by-step explanation:

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