Compare and contrast the characteristics of sulfur-oxidizing bacteria, nitrifiers, and hydrogen-oxidizing bacteria.
A) All three types of bacteria are anaerobic.
B) Sulfur-oxidizing bacteria produce sulfuric acid, while nitrifiers oxidize ammonia.
C) Nitrifiers and hydrogen-oxidizing bacteria are autotrophic, while sulfur-oxidizing bacteria are heterotrophic.
D) Sulfur-oxidizing bacteria, nitrifiers, and hydrogen-oxidizing bacteria are all extremophiles.