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Below you may find the First patented in 1952 center pivot devices used for this agricultural task caused the green circles seen from planes<\/strong><\/mark> which is part of the Jeopardy Archive. In case the question or answer is wrong or something is missing do not hesitate to contact us and we will be glad to help you out. This question was last seen on October 7 2021 Jeopardy! TV Game Show.<\/p>\n

QUESTION: First patented in 1952 center pivot devices used for this agricultural task caused the green circles seen from planes<\/div>\n
ANSWER: IRRIGATION<\/div>\n
If you would like to check other Jeopardy Questions and Answers then head over to our homepage<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Below you may find the First patented in 1952 center pivot devices used for this agricultural task caused the green circles seen from planes which is part of the Jeopardy Archive. 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