<span>The answer is 1. Carbon dioxide has two covalent bonds amid every oxygen atom and the carbon atom. When molecules are balanced, though, the atoms pull similarly on the electrons and the control distribution is uniform. Symmetrical molecules are therefore nonpolar.</span>
Answer : The conversion used is,
Explanation :
The conversion used :

For example : To convert 10 feet into inches.



From this we conclude that, the conversion factor used in the numerator and denominator for 1 feet should be, 