What if earth lost oxygen for 5 seconds​

Explanation:

If the world lost its oxygen for five seconds, the earth would be an extremely dangerous place to live in. ... The air pressure on the earth would drop 21 per cent and our ears would not get enough time to settle. Without oxygen, there would not any fire and the combustion process in our vehicles would stop.

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The consequences will be, death of many humans, plants and animals due to unbreathable condition. Due to severe sunburn, our inner ear may explode. There won't be any fire as oxygen is necessary for fires to exist thus vehicles, all other fires would stop.

it sounds like either a or c