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STD 12 - 6. evolution — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 6. evolution1 Mark
MCQ
About how long ago was the earth formed
  • ✓
    $4.5$ billion years ago
  • B
    $10$ billion years ago
  • C
    $3.0$ billion years ago
  • D
    $20$ billion years ago
✓

Answer

Correct option: A.
$4.5$ billion years ago
a
(a)Earth came into existence about $4.5$ billion years ago from a large spinning cloud of gas and dust

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