What classification applies to both Bennu and Ryugu based on their primary chemical makeup?

Answer

C-type (carbon-rich)

Both Ryugu and Bennu are classified as C-type asteroids, meaning they are carbon-rich and among the most primitive bodies in the solar system, having resisted significant chemical alteration.

What classification applies to both Bennu and Ryugu based on their primary chemical makeup?
Originsciencelifeasteroid