One particular feature found in bony fishes but is absent in cartilaginous fishes is ________.
A. a swim bladder
B. gills
C. a pectoral fin
D. a skeleton
E. scales
Answer: A
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The idea that a state claims exclusive sovereignty over a demarcated space and all of the people and resources within it originated in the Roman Empire
Indicate whether the statement is true or false.
________ and high moisture increase the decomposition rate of organic matter.
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