B. A sulfide breaking rock which will taste like rotten eggs
Explanation:
One way of identifying sulfur containing compounds is by smelling and tasting. Sulfur containing compounds smell and taste like rotten eggs so a sulfide breaking rock will taste like rotten eggs
World War I and II. These wars caused lots of economic growth and development because there was a pressure to create better inventions. Having better technology could mean the win or lose of a war. :D