"Which technique for gathering data (Observational study or experiment) do you think was used in the following studies? A) The Colorado Division of Wildlife netted and released 774 fish at Quincy Reservoir. There were 219 perch, 315 blue gill, 83 pike, and 157 rainbow trout. B) An ecology class used binoculars to watch 23 turtles at Lowell Ponds. It was found that 18 were box turtles, and five were snapping turtles."

Also tell why?
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