Astronomy current events question: "cosmic mudball" meteorite

Astronomy 210L, fall semester 2019
Cuesta College, San Luis Obispo, CA

Students are assigned to read online articles on current astronomy events, and take a short current events quiz during the first 10 minutes of lab. (This motivates students to show up promptly to lab, as the time cut-off for the quiz is strictly enforced!)

Press release, "Field Museum Adds Rare 'Cosmic Mudball Meteorite' to Its Collections" (October 9, 2019)
fieldmuseum.org/about/press/field-museum-adds-rare-cosmic-mudball-meteorite-its-collections

The Aguas Zarcas meteorite that fell in Costa Rica earlier this year smells like Brussels sprouts, due to:
(A) radioactive decays.
(B) organic compounds.
(C) fungal contamination.
(D) cellular decomposition.
(E) improper refrigerator storage.

Correct answer: (B)

Student responses
Sections 70178, 70186
(A) : 0 students
(B) : 33 students
(C) : 2 students
(D) : 0 students
(E) : 0 students