folders that have additional folds at the bottom are called\na) fasteners.\nb) manila folders.\nc) expansion…

folders that have additional folds at the bottom are called\na) fasteners.\nb) manila folders.\nc) expansion folders.\nd) pendaflex folders.
Answer
Brief Explanations:
Expansion folders have additional folds at the bottom to allow for more capacity. Fasteners are for securing papers, manila folders are a type of material - based folder, and Pendaflex is a brand name, not defined by bottom - folds.
Answer:
C. expansion folders