Answer:
Topographic maps have contour lines that connect points of identical elevation above sea level. Contour lines run next to each other. Adjacent contour lines are separated by a constant difference in elevation, usually noted on the map. Topographic maps have a horizontal scale to indicate horizontal distances.
A) Service Industries
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I already helped but
1) C
2) B
3) D
4) A
5) F
6) E
The answer is steamboats! The first steamboat came year 1807 and was invented by John Fitch:)
A. A was deposited most recently in the diagram above, as it is located in the top, showing that is the newest layer to be added.
