Kills Diagnosis And Prevention Of Fish Kills 59. C. A rapid temperature change occurs D. All of the above 61.
Agricultural pesticides cause only a small percentage of fish kills.
A. Herbicides B. Miticides C. Fungicides D. Insecticides 62. The cooler layer of water in the bottom of the pond has less potential to hold more oxygen because it is denser. A. True B. False 63. D. Midnight 65. Cloudy, cool, or rainy weather can cause some algae scums to die.