Answer: North Dakota
Explanation: The geographic center of North America is set near Rugby, North Dakota 48°10′N 100°10′W, though this has no official status.
Protozoa are single celled organisms. They come in many different shapes and sizes ranging from an Amoeba which can change its shape to Paramecium with its fixed shape and complex structure. They live in a wide variety of moist habitats including fresh water, marine environments and the soil.
The square root is 8.3066238
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