Question

the ______ is used to add more mesh to a model without bringing another mesh object into the project. vertex snap pivot tool extrude selection tool seam tool

Explanation:

• Vertex snap is used for aligning vertices, not adding mesh.
• Pivot tool is for changing the pivot point, not adding mesh.
• Seam tool is related to seams in meshes (like in UV mapping), not adding mesh.
• Extrude Selection tool takes selected parts of a mesh (vertices, edges, or faces) and extends them, thus adding more mesh to the existing model without bringing in a new mesh object.

Answer:

Extrude Selection tool