Astronomy current events question: "rubble pile" Ryugu

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!)

News release, "The Near-Earth Asteroid Ryugu--a Fragile Cosmic 'Rubble Pile'" (August 22, 2019)
dlr.de/dlr/presse/en/desktopdefault.aspx/tabid-10172/213_read-37306/#/gallery/36381

Analysis of images from the German-French MASCOT lander of the asteroid Ryugu indicate that it may have:
(A) water ice.
(B) very little cohesion.
(C) active cryovolcanoes.
(D) valuable mineral deposits.
(E) been one of Earth's past moons.

Correct answer: (B)

Student responses
Sections 70178, 70186
(A) : __ students
(B) : __ students
(C) : __ students
(D) : __ students
(E) : __ students