Answer:
Explanation:
lung air ways the mucus will clog it up causing asthma hope this helped :P
If you want the answer is centimeters is it going to be:
26.281 cm
If it make it easier for you to solve add 6.201 and 7.4 which will equal 13.601. Then add .68 to 13.601 which equals 14.281. Last add 12 to 14.281 which equals 26.281.
Hope this helps.
Impure substance, because pure would be dirt from the earth
