The correct response to the question "According to the Big Bang Theory, when did the universe begin?" is:
13.8 billion years ago
Use the following text for the next 5 questions on this test:%0D%0A%0D%0AThe Big Bang Theory is a widely accepted scientific explanation for the development of the universe. According to this theory, the universe began as an extremely hot and dense point about 13.8 billion years ago. Suddenly, it expanded, and all matter and energy started to spread out. This event, known as the Big Bang, marked the birth of the universe. As the universe expanded, it cooled down, allowing matter to form. At first, only simple elements like hydrogen and helium existed. Over time, gravity caused these elements to come together, forming stars, galaxies, and eventually, planets like our own. The Big Bang Theory provides a framework for understanding the origin and evolution of the universe, based on observational evidence and scientific reasoning.%0D%0A%0D%0A %0D%0A%0D%0AAccording to the Big Bang Theory, when did the universe begin?%0D%0A%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0A13.8 trillion years ago%0D%0A13.8 trillion years ago%0D%0A%0D%0A13.8 million years ago%0D%0A13.8 million years ago%0D%0A%0D%0A13.8 zillion years ago%0D%0A13.8 zillion years ago%0D%0A%0D%0A13.8 billion years ago
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