Mexico is not exempt from earthquakes nor are they always mild. where she a comma be placed

A comma should be placed before "nor" and after "earthquakes". 

Hope this helps!

The career that i have* decided to present this year is photography. photographers use both aritficial and natural lighting*use a transition sentence when going into the 2nd paragraphso.. photographer? *in order for me to be a photographer* scratch "accomplish this ranking" then say, i must first.. and continue on the sentence instead of different use various*