A scientist was observing the average number of feet in a habitat full of different animals. The habitat contains fish (0 feet), birds (2 feet) and frogs (4 feet). On day 1, the scientist observed 24 fish,30 birds and 11 frogs. On day 2, the scientist observed 13 fish, 37 birds and 9 frogs. What is the difference between the average number of feet of animals between Day 1 and Day 2? A. 0.2 feet
B. 1 feet
C. 0.6 feet
D. 1.2 feet
E. 0.26 feet

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