What does 'debris' refer to?

The term 'debris' refers specifically to the remnants of something that has been destroyed or broken apart. This could include a variety of materials, such as rubble from a collapsed building, broken glass from a shattered window, or scattered items resulting from a disaster. The context in which 'debris' is often used highlights its association with destruction or waste materials that remain after an event has taken place.

In contrast, the other choices do not accurately capture the meaning of 'debris.' A small collection of things refers to something intact or organized, rather than leftover remnants. The product of mass and velocity describes momentum, a concept from physics unrelated to destruction. The act of censure pertains to criticism or reprimand, which, again, does not align with the physical or material implications of 'debris.' Thus, the term clearly connects to the remnants of something that has been destroyed, making it the most fitting choice in this context.