Multiple choice

This power source became viable in 1942 when scientists created the 1st nuclear chain reaction:

  1. solar power

  2. biofuel

  3. nuclear power

  4. geothermal energy
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The 1942 experiment led by Enrico Fermi successfully demonstrated the first controlled nuclear chain reaction, which proved that nuclear energy could be harnessed as a power source.

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