select all of the figures shown below that are unit cubes. (please explain what a unit cube is too and how to find one)

Answer:
Unit Cube - Definition with Examples. A unit cube, sometimes called a cube of side 1, is a cube whose sides are 1 unit long. The volume of a 3-dimensional unit cube is 1 cubic unit, and its total surface area is 6 square units.
Answer:
its the top middle and bottem right
Step-by-step explanation:
i just got it right