Some projects fail because of constant, unmanaged demand for changes, often referred to as ________.

What is topology?

A. It's the way the edge loops of a mesh flow to adapt to the surface's shape. B. It's the number of faces a surface has. C. It's only important when creating terrains and it's similar to topography. D. It's the direction toward which a face is looking.

Among file and disk management tools, a(n) ____________________ tool causes a display's screen to show a moving image or blank screen if no keyboard or mouse activity occurs for a specified time.

Fill in the blank(s) with the appropriate word(s).