Which statement describes the process of finding a mineral's streak? A. When you rub it on a white tile, it leaves a black mark. ООО O B. When you drop a piece of it in acid, a smoky gas is produced. O c. When you strike it against gypsum, it leaves a scratch. O D. When you examine its surface, it looks like dull metal.​

The answer is a i believe

Photosynthesisthe process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.

Na+ loss through sweet plus the dilution has lowered na+ concentration outside of neurons, altering the na+ equilibrium potential. sodium exists more outside the cells than inside. when na+ is lost by sweat plus the dilution( because they drink a lot of water) changes the concentration outside the cell, forcing the water to enter the cell and attempt to balance the concentration inside/outside.the problem is that the abundance of water will cause the cells to swell. most cells can adapt, however, the brain cells can't that's why the runner has confusion and can't control the muscles.  if not treated and this occurs in less than 48 hours, it can be immediately fatal .