Why do engineers play a variety of roles in the engineering process? They are part of a team. They need to act as both scientists and engineers when working on a project. They have to brainstorm, build, and design all of their projects alone. They have to be cyclical in their process.

They showed that many people worked on the project and demonstrate how hard they worked.

Explanation:

Explanation:

They showed that many people worked on the project and demonstrate how hard they worked.

answer:

design model: consists of design geometry; can be 2d or 3d; typically has a black background.

design files: drawing created with microsoft expression design, a drawing and design program for windows; may contain both vector and raster graphics; can also include multiple layers and various image effects.

elements: an element is a single part of a larger group.