What problems did big cities face regarding water and sanitation?
The rapidly increasing urbanization rate has huge implications for freshwater use and wastewater management. Cities face rising water and sanitation demands and problems such as pollution and overexploitation. Especially the large urban population living in slums often lack access to safe water and sanitation services.
What are some of the challenges developing countries face with having a safe water supply?
Water coverage lagged behind targeted levels in urban areas and increased urbanization was putting water provision systems under further pressure. Weak infrastructure, lack of finances, poor water policies and inadequate sanitation were some of the other challenges the country faced.
What challenges do water supply face?
Insufficient Access to Safe, Affordable Water, Sanitation and Hygiene (WASH) Physical abundance of water supplies does not necessarily mean there is adequate quantity and quality of water to meet basic human needs.
What are the causes of insufficient water supply?
Global climate change due to deforestation is impacting freshwater supplies everywhere. Higher temperatures mean reduced snowfalls and shrinking glaciers, as well as increasing the percentage of freshwater evaporation. The quantity of water in our rivers, aquifers, and watersheds is simply reducing.
What is the cause and effect of insufficient water supply?
Aside from an obvious lack of drinking water, hunger is one of the biggest effects of water scarcity. Water shortages directly contribute to lower crop yields and the death of livestock, which can quickly lead to food shortages. A lack of water takes a massive toll on global energy output.
How can drought affect people’s lives?
Drought can also affect people’s health and safety. Examples of drought impacts on society include anxiety or depression about economic losses, conflicts when there is not enough water, reduced incomes, fewer recreational activities, higher incidents of heat stroke, and even loss of human life.
What are the possible effects of water supply shortage to the community?
When water is scarce, people are often forced to rely on drinking water sources that may not be safe. They may also lack sufficient water for basic hygiene – to wash themselves and their clothes, and to prevent infection including from foodborne and waterborne diseases.
What will happen if there is a sudden shortage of water in the body?
Sol. In the condition, when body has sudden shortage of water, the tubular part of nephron starts reabsorbing more and more water from the filtrate passing through it. This is done in order to retain more water in the body.
What will happen if there is sudden shortage of food in the body?
There will be dehydration in body .
What will happen if there is storage of water in the body?
When your hydration level is not balanced, your body tends to hang on to that water. Usually, water retention may cause you to feel heavier than normal, and less nimble or active. It can also cause: bloating.
What will happen if there are no platelets in the blood?
Platelets are responsible for clotting of blood. If there are no platelets, the blood would not clot in case of an injury. This will lead to excess blood loss and can even lead to the death of a person.
Can you survive without platelets?
When you don’t have enough platelets in your blood, your body can’t form clots. A low platelet count may also be called thrombocytopenia. This condition can range from mild to severe, depending on its underlying cause. For some, the symptoms can include severe bleeding and are possibly fatal if they’re not treated.
What will happen if there is no platelets in the blood Class 7?
What will happen if there are no platelets in the blood? Solution5: The blood clots due to the presence of platelets. If there are no platelets in the blood, then after a minute injury or cut, the blood will not clot and continue to flow outside the body and the person might die.
What would happen if platelets in the blood?
The blood platelets are required for the process of blood clotting. Whenever there is an injury, to prevent the loss of blood it is necessary to form a clot. This might result in haemorrhage in which there is continuous blood loss.
What will happen if blood platelets are removed from blood Class 9?
If there are no platelets in the blood, then the blood would not be able to clot. A clot is formed because of platelets. They release blood clotting chemicals at the site of injury. These chemicals form a clot and prevent further bleeding….
What is the importance of platelets in blood?
Platelets, or thrombocytes, are small, colorless cell fragments in our blood that form clots and stop or prevent bleeding. Platelets are made in our bone marrow, the sponge-like tissue inside our bones.