Multiple choice

Energy source for the origin of life came from:

  1. UV rays

  2. electric charge

  3. high temperature

  4. all the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Multiple energy sources drove the chemical reactions that led to life's origin. UV radiation from the sun, lightning discharges (electric charge), and geothermal heat (high temperature) all provided the energy needed to synthesize complex organic molecules from simpler inorganic compounds, as demonstrated by the Miller-Urey experiment.

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