The measurement of the side of a square floor tile is 20 inches, with a possible error of 
inch. Use differentials to approximate the possible propagated error in computing the area of the square.
Definitions:
Land Surface
The outermost layer of the Earth's land area, including soil, rocks, vegetation, and artificial structures.
Burrow-Dwelling
Organisms or animals that live in holes or tunnels they either make or find in the ground.
Arctic Tundra
describes a cold, treeless biome found in the Arctic regions, characterized by permafrost, minimal precipitation, and short growing seasons.
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