It might be c I'm not sure either. Hope I helped
A. the carbons are unbalanced
B. the hydrogens are unbalanced.
D. the chlorines are unbalanced.
That leaves C. to be correctly balanced.
Newton’s Thrid Law, which states that for every reaction there is an opposite reaction.
To establish the age of a rock or a fossil, researchers use some type of clock to determine the date it was formed. Geologists commonly use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon, as reliable clocks to date ancient events.
If the container explodes there is no pressure, becuase all your gas has escaped its container, there for, you ain’t got no gas