Rules

Guess the Flex WORDLE in 3 tries. After each try, the color of the tiles will change to show how close your guess is to the solution.

If the tile becomes GREEN, your number or operation is located at correct place. If the tile becomes RED, your number or opeartion exists within the expression, but at different place.

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Frederick S. Russell Born 3 Nov 1897; died 5 Jun 1984 at age 86.Frederick Stratten Russell was an English marine biologist who linked the depth distribution of planktonic organisms to the intensity of light in the seas off the British Isles. He used photoelectric cells to measure the light, finding that the plankton moved up and down the water column in a daily cycle. Seasonal variations in light intensity also affected the migrations. His work helped explain the long-term changes in the ecosystem of the English Channel. Russell was fascinated by the larval stages of fishes and the life histories of certain types of jellyfish, which he studied in great detail. He wrote and illustrated several books on his findings.

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