Fish and other aquatic life depend on oxygen gas dissolved in the water. which event is most likely to harm aquatic life by reducing the oxygen concentration of the water? a change in weather that reduces the temperature of the lake by 5°c an influx of warm water that raises the temperature of the lake by 5°c a sunny day that lowers the water level of the lake by 50 centimeters a rainstorm that raises the water level of the lake by 50 centimeters

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The return of the wolf to yellowstone national park will probably affect the bird population to some degree, not significantly. while wolves will hunt birds when necessary, they prefer to hunt larger prey. the bird population will most likely only be affected when hunting is scarce for the wolves. birds of prey will also probably not be affected as much as other birds who spend more time on the ground hunting for food as the tend to spend more time in the air or in trees since they do not need to stay on the ground for long due to the nature of the way they hunt.