Biology · Evolution
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The oldest mineral discovered so far is, which dates back to 4.4 billion years is
- A
Iron
- B
Zircon
- C
Diamond
- D
Cadmium
Option B is correct since zircon is the oldest mineral discovered. It is a fact. Option A is incorrect since iron was discovered later than zircon. Option C is incorrect since the diamond was discovered later than zircon (900 million years ago). Option D is incorrect since cadmium was discovered later than zircon (in 1817).
A is incorrect since iron was discovered later than zircon.
B is correct since zircon is the oldest mineral discovered. It is a fact.
C is incorrect since the diamond was discovered later than zircon (900 million years ago)
D is incorrect since cadmium was discovered later than zircon (in 1817).
Tagged under Biology · Evolution · 2021