everyday science MCQ #1536

The Big Bang was an explosion that occurred:

everyday science MCQ #1536

  1. Question 1

    Q1. The Big Bang was an explosion that occurred:

    • A) 20 billion years ago
    • B) 25 billion years ago
    • C) 15 billion years ago
    • D) 10 billion years ago

    Answer: 15 billion years ago

    Explanation: The Big Bang is currently estimated to have occurred approximately 13.8 billion years ago, though older textbooks cited ~15 billion years; 15 billion is the closest available option here.