The answer is 1.5*10^-12 square meters. For a detailed calculation, please refer to the attachment.
A. Combustion since it can’t be nuclear….?
#1- Identify a problem
#2- Collect info on your problem
#3- Make a hypothesis
#4- Design an experiment to test your hypothesis
#5- Collect data and observations
#6- Accept or reject your hypothesis
#7- Record results
Hope this helps.
