Geometry

Question Analysis
This question checks understanding of the surface characteristics of a sphere.
The main focus is on the shape and continuity of the sphere’s surface.

Key Concept Explanation
A sphere has a completely curved surface with no flat parts, edges, or corners.

Step-by-Step Solution
A: Describes polyhedra (e.g., cubes). ❌
B: Correct—spheres have smooth, round surfaces. ✅