Brett and Scott were both studying bacteria for their exam. Scott read more about nitrogen-fixating and sulfate-reducing bacteria, while his colleague Brett read more about non-respiratory anaerobe bacteria and facultative anaerobes. Which student read more about acetogenesis?
----
Answer: Scott

Two patients were hospitalized for different diseases. Barry was diagnosed with Kaposi's sarcoma-associated herpesvirus, while Daniel was diagnosed with EpsteinBarr virus infection. Which patient was at risk of developing Hodgkin's lymphoma?
----
Answer: Daniel

David wants to categorize animals according to the sound waves they can hear. Eventually, he was able to categorize them in three different groups, group A, group B, and group C. He placed the animals that can only hear ifrasound in group A. Then he placed the animals that are only able to hear the same frequency of sound waves as humans do in group B. The last group of animals were able to hear only ultrasound. He placed them in group C. Would group B able to hear higher or lower frequency than group A?
----
Answer:
higher