One thing that these art forms have in common is that they Both can be seen from the sky, such as when flying in an airplane.
The answer to this question is A,
<h3>What are effigy mounds?</h3>
These are moundss of earth that are made in the shape of certain animals.
<h3>What are Nazca Lines.</h3>
These are ancient geolygraphs that were made in the nation of Peru.
The similarities is that they can be seen from the sky.
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