Choose the correct option.
If you are ordered to use BA when doing some job in the cargo hold because the atmosphere is oxygen deficient there it means that

Question

Choose the correct option. 
 If you are ordered to use BA when doing some job in the cargo hold because the atmosphere is oxygen deficient there it means that

Accepted Answer

the amount of oxygen inside is so small there so that it can’t support life

Answer

the amount of oxygen there is small but enough to support the life

Answer

the air inside the space is contaminated by different gases and other substances

Answer

the amount of oxygen is sufficient for supporting life but other substances make it hazardous

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Choose the correct option. If you are ordered to use BA when doing some job in...

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