Answer:
Cartography, the art and science of graphically representing a geographical area, usually on a flat surface such as a map or chart. It may involve the superimposition of political, cultural, or other nongeographical divisions onto the representation of a geographical area.
#30 a point at which parts artificial structure are joined
2 equally sloped side= shed
Gabled= one sided slope
Gambrel= curved
I believe the answer is...
A magnifying glass will create a larger, virtual image because the glass is made of a convex lens.