Here are some recommendations from experienced executive recruiters on how to easily ace an assessment test: Relax. Even chief executives can feel intimidated by the assessment process. But it's important to remember that there are, in fact, no right or wrong answers. Advanced assessment methodologies use business case studies that are hard to game, so what's most important is to be yourself and respond candidly and authentically.
Causes of Water Pollution. Let us now study the causes of water pollution. 1. Industrial waste: Industries produce huge amount of waste which contains toxic chemicals and pollutants which can cause air pollution and damage to us and our environment.They contain pollutants such as lead, mercury, sulphur, asbestos, nitrates and many other harmful chemicals.ollution of water occurs when substances that will modify the water in negative fashion are discharged in it. This discharge of pollutants can be direct as well as indirect. Water pollution is an appalling problem, powerful enough to lead the world on a path of destruction.
If it comes from many sources, it is called nonpoint-source pollution. Most types of water pollution only affect the immediate area but sometimes the pollution can travel hundreds or thousands of miles and then it is called transboundary pollution.his type of pollution is becoming more and more relevant because it affects our drinking water and the aquifers below the soil. Groundwater pollution is usually caused by highly toxic chemicals and pesticides from farming that leak through the ground to contaminate the wells and aquifers below the surface.