Bulldozer vs Lightning vs Oxygen

Bulldozer is a kind of construction equipment using track-type tractors/chain and is equipped with a blade that lies ahead. Lightning is a natural phenomenon that typically appears during the rainy season when the sky bring momentary blinding flash of light. Oxygen is a chemical element in the periodic table systems that have a symbol O and atomic number 8. Who will win?

Monarchy vs Shark vs Nitrogen

Monarchy is derived from the Greek monos (μονος) which means one, and archein (αρχειν) which means the government. Sharks are a group (superordo Selachimorpha) fish with cartilage skeletons are complete and slender body. Nitrogen is a chemical element in the periodic table that has the symbol N and atomic number 7. Who will win?