Choose the best option to fill the gaps in the following sentences: Oxygen is necessary to life. Nothing can live without it. It was .... a century ago

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Choose the best option to fill the gaps in the following sentences: Oxygen is ...

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Choose the best option to fill the gaps in the following sentences:

Oxygen is necessary to life. Nothing can live without it. It was .... a century ago

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Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE

A Invented
B Found out
C Discovered
D Learnt
E Extracted

Correct Answer: Option C

Explanation:

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Choose the best option to fill the gaps in the following sentences: Oxygen is ...

Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE

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