Astronomy current events question: modeling Mars' interior composition

Astronomy 210L, spring semester 2020
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!)

News release, "Journey to the Center of Mars" (February 10, 2020)
tohoku.ac.jp/en/press/journey_to_the_center_of_mars.html

Researchers used analysis of rocks and satellite images to generate a model for Mars':
(A) seismic activity.
(B) climate history.
(C) magnetic dynamo.
(D) volcanic output.
(E) interior composition.

Correct answer: (E)

Student responses
Sections 30679, 30680
(A) : 5 students
(B) : 1 student
(C) : 0 students
(D) : 0 students
(E) : 21 students