Respuesta :

Safe and readily available water is important for public health, whether is it used for drinking, domestic use, food production, or recreational purposes. Improved water supply and sanitation and better management of water resources can boost countries' economic growth and can contribute greatly to poverty reduction.

Difficulty of providing potable (drinking) water in countries at different levels of economic development

Rising Demand, availability, and access:- People need fresh water for survival, personal care, agriculture industry and commence. The 2019 UN World Water Development report noted that about four billion people, representing nearly two-thirds of the world population, experience severe. Water scarcity during at least one month of the year. With rising demand, the quality and supply of water have diminished. The scarcity of freshwater resources is an issue in regions around the world but is becoming more common due to overcommitment of resources. Only regions don't have access to fresh water in lakes or rivers while access to the groundwater is sometimes limited. Regions most affected b this type of water scarcity are Mexico, Northern and southern Africa, the middle east, India and Northern China

Contamination: - After accounting for availability or access, water quality can redude the amount of water for consumption, bomitation, agriculture and industrial pruposes. Acceptable water quality depends on its intended purpose: water that is unfit for human consumption could still be used in industrial as agriculture applicaiton. Safe water is defined as potable water that will not harmm the sonsumers. it is one of the eight millennium develioment goals : between 1990 and 2015 to redude by half the portion of population without