Which of the following is a major cause of water pollution?

Which disease is commonly spread by polluted water?

Which of the following is a biodegradable pollutant?

What is the safe level of pH for drinking water?

Which device is used to treat industrial wastewater?

The most common method of measuring water pollution is:

Drinking contaminated water mostly affects which human system?

Which of these is a natural source of water pollution?

Which chemical is mainly responsible for Blue Baby Syndrome?

Which of these is NOT a water pollutant?