Astronomy current events question: Mars' underwater hot springs

Astronomy 210L, fall semester 2017
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!)
Guy Webster, Jenny Knotts, Laurie Cantillo and Dwayne Brown, "Mars Study Yields Clues to Possible Cradle of Life" (October 6, 2017)
Mars may have had underwater hot springs, based on __________ observed by NASA's Mars Reconnaissance Orbiter:
(A) released gases.
(B) ongoing volcanic eruptions.
(C) infrared heat sources.
(D) mineral deposits.
(E) erosion features.

Correct answer: (D)

Student responses
Sections 70178, 70186
(A) : 6 students
(B) : 6 students
(C) : 2 students
(D) : 27 students
(E) : 6 students

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