Answer:
D.
Explanation:
Material culture can be defined as the cultural aspects of a society that refers to the physical objects. In every culture, some material objects resemble that particular culture, for example, temple, mosque, and church.
In the given case, the collection of Smithsonian first-ever plastic brush is an example of material culture. The destruction or the loss of this plastic brush is a matter of concern for historians as it denotes Smithsonian's material culture.
So, the correct answer is option D.
