Fish or any organism in the water...
Answer:
Erosion is the natural process by which soil / rock are removed from the Earth's surface by exogenetic processes such as wind or water flow, transported and deposited in other locations. Leaching is the removal of soluble material from soil or other material by percolating water.
Yes, if the immune system is strong, it is capable of fight off an illness with the help of the white blood cells (leukocytes). They act as the "soldiers" of the body because they are the first ones to try and kill whatever illness affects the body. Unless the person has a weak immune system, which can be a cause from poor health.
