What is the main idea of this paragraph? When the temperature of water is warmed, it is called thermal pollution. Thermal pollution can throw off the delicate cycle of nature in water. This causes fish to develop a thick slime on their gills. Answer Choices are: A) Warm water can ruin the balance of nature. , B) Warmer water causes thermal pollution., C) Fish have developed slime on their gills. [ Will Mark Brainliest but please only answer if your 100% correct. ​