Q. How does water pollution affect the community?
Contaminated water can harbor bacteria, such as those responsible for diarrhea, cholera, dysentery, typhoid, hepatitis A, and polio. According to the UN, every year, approximately 297,000 children under five die from diseases linked to poor sanitation, poor hygiene, or unsafe drinking water.
Q. How does the geographical problem impact on Vaal River?
Agriculture has little influence on water quality and increased salinity and eutrophication are therefore the main quality problems. This catchment has sewerage, industrial and, as major contributors, mining return flows which also affect the quality of the Vaal River water.
Q. Where does the Vaal river flow to?
Orange River
Q. How human activities affect the quality of water in the river?
Our water resources face a host of serious threats, all of which are caused primarily by human activity. They include sedimentation, pollution, climate change, deforestation, landscape changes, and urban growth.
Q. What will happen if the Earth has no usable water?
With no water supply, all vegetation would soon die out and the world would resemble a brownish dot, rather than a green and blue one. Clouds would cease to formulate and precipitation would stop as a necessary consequence, meaning that the weather would be dictated almost entirely by wind patterns.
Q. What would happen if water ran out?
For Earth as a planet, running out of water has some serious consequences. Environmental scientists predict that as well as sinking terrain over extraction of groundwater could also lead to an increased risk of earthquakes due to the fact that the Earth’s crust is becoming lighter.
Q. Does Earth have more or less water now than 1000 years ago?
There is the same amount of water on earth as there was when the earth was formed. The water that came from your faucet could contain molecules that Neanderthals drank… 4. The overall amount of water on our planet has remained the same for two billion years.
Q. Where does most water come from?
Our drinking water comes from lakes, rivers and groundwater. For most Americans, the water then flows from intake points to a treatment plant, a storage tank, and then to our houses through various pipe systems. A typical water treatment process.
