Intricate surface area is best described as areas that are too irregular to contour except in a very generalized manner, such as lava beds and open strip mines. Which term matches this description?

• A. Submerged Areas and Bogs Symbols
• B. Surface Features Symbols
• C. Intricate surface area
• D. Land subject to inundation

Answer: (C)

The idea being tested is how to name a surface that is too irregular to contour in detail. Intricate surface area is the term that captures exactly this kind of highly irregular terrain, where contour lines would be too generalized to convey the real texture of the landscape. Lava beds and open strip mines have complex, uneven surfaces on small scales, so describing them as an intricate surface area communicates that difficulty in precise contouring.

The other terms don’t fit this specific concept: submerged areas and bog symbols refer to wetland or flooded conditions; surface features symbols is a broad category without signaling extreme irregularity; land subject to inundation is about flood-prone land, not the roughness or detail of the surface itself.