\( \mathrm{KO}_{2} \) (potassium super oxide) is used in oxygen cylinders in space and submarine...

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\( \mathrm{KO}_{2} \) (potassium super oxide) is used in oxygen cylinders in space and submarines because it
(a) Absorbs \( \mathrm{CO}_{2} \) and increases \( \mathrm{O}_{2} \) content
(b) Eliminates moisture
(c) Absorbs \( \mathrm{CO}_{2} \)
(d) Produces ozone
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