B, because in all truth and honesty, stress is truly inevitable. Also, use process of elimination. I hoped that helped :)
Fissure because it's like a large gaping crack in the earth
trace elements are sometimes referred to as micronutrients
Minerals would be a reasonable explanation to this scenario
My opinion is on Minerals
Answer=Minerals
Well it happens every six months, one in summer in June and winter December. And if i'm wrong then i understand :) <span />
