Astronomy current events question: moon and large earthquake correlation?

Astronomy 210L, fall semester 2016
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!)
Nathaniel Scharping, "Can the Moon Make an Earthquake Worse?" (September 12, 2016)
Researchers found that gravitational forces from the moon and large earthquakes may have:
(A) a statistical correlation.
(B) a cause-and-effect relationship.
(C) a common source of energy.
(D) remnants of the moon's large impact origin.
(E) started Earth's tectonic plate motion.

Correct answer: (A)

Student responses
Sections 70178, 70186
(A) : 12 students
(B) : 8 students
(C) : 3 students
(D) : 0 students
(E) : 5 students

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