Essay on the Chemical Nature of Fresh-Water (1947 Words)
Here is your essay on Chemical Nature of Fresh-Water !The fresh-water of both kinds—lentic and lotic, has low percentage of dissolved salts and is subjected to the influence of a wide array of physical and chemical factors. image source: freshwaterhabitats.org.uk ADVERTISEMENTS: The rise and fall of these factors very frequently affect the fauna, altering their number and diversity. Some of the important factors of fresh-water environment are following: Pressure, Density and Buoyancy: The pressure imposed on a lake-dwelling organism is the weight of the column of water above it plus the weight of the atmosphere. In all fresh-water environments maximum pressure as much less as in the ocean, and organisms appear to adjust to them readily. The absence of animal life from deep water ordinarily a consequence of low oxygen…