Water Distribution Exam Questions and Answers 100% Solved

All the water on Earth is part of a large system. - ANSWER-Hydrosphere 1. All the water on Earth is part of a large system. 2. On Earth, water occurs in all three phases. - ANSWER-Hydrosphere What percent of water covers Earth's surface. - ANSWER-71% What percent of water on Earth is saltwater - ANSWER-97% What percent of water on Earth is freshwater - ANSWER-3% What percent of water on Earth is frozen - ANSWER-77% What percent of water is for living organisms - ANSWER-.5% What is essential for life. - ANSWER-Water 1. Water Covers 71% of the Earth's surface. 2. 97% Saltwater. 3. 3% Freshwater. 4. 77% Frozen 5. .5% to supply living organisms. 6. Water is essential for life. - ANSWER-The Distribution of Water on Earth How many countries depend on other countries for over 50% of their renewable water resources. - ANSWER-33 Countries 1. The world's useable water is very unevenly distributed. 2. Nine countries are the world giants in terms of internal water resources, accounting for 60 percent of the world's natural freshwater. 3. At the other extreme, the water poor countries are usually the smallest (notably islands) and arid ones. 4. Thirty-three countries depend on other countries for over 50 percent of their renewable water resources: 5. It is estimated that two out of every three people will live in water-stressed areas by the year 2025. In Africa alone, it is estimated that 25 countries will be experiencing water stress (below 1,700 m 3per capita per year) 2025. 6. Today, 450 million people in 29 countries suffer from water shortages. - ANSWER-World's Distribution of Water What percent of the global population is lacking access to safe drinking water? - ANSWER-20% What of surface waters continue to be a major cause of illness in developing countries. - ANSWER-Water-borne diseases from fecal pollution What is estimated to affect the health of 1.2 billion people, and contributes to the death of 15 million children annually. - ANSWER-Polluted Water