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ENVIRONMENTAL SCIENCES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the two main causes of water pollution?
A
Industry along waterways and human population growth
B
Deforestation along waterways and global warming
C
Factories and industry along waterways and desalination plants.
D
None of the above
Explanation: 

Detailed explanation-1: - Industrial waste: there are still many companies that fail to treat their waste and end up pouring huge quantities of contaminants from their industrial processes into rivers and the sea. Global warming: temperature rises cause changes in water composition by reducing oxygen.

Detailed explanation-2: -Industrial Waste Industrial waste is one of the biggest sources of water contamination. Many industrial sites produce waste in the form of toxic chemicals and pollutants, and some don’t have proper waste management systems in place. Sometimes, industrial waste is dumped into nearby freshwater systems.

Detailed explanation-3: -In addition to the release of hazardous chemical pollutants, the industries may also cause thermal pollution and noise pollution. The thermal pollution is due to release of hot water from industries into aquatic bodies. The noise pollution is due to running of heavy machinery producing a lot of noise.

Detailed explanation-4: -The types of water pollution include: Groundwater Pollution. Surface Water Pollution.

Detailed explanation-5: -Global warming. Rising global temperatures caused by CO2 emissions heat the water, reducing its oxygen content. Deforestation. Industry, agriculture and livestock farming. Rubbish and faecal water dumping. Fuel spillages.

There is 1 question to complete.