Which of the following disease is caused due to lack of nitrates?

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• Infectious hepatitis is caused by ___________
• Amoebic dysentery is caused by ___________
• Foaming is caused by the formation of ___________
• The phenomenon during which the boiler material becomes brittle due to accumulation of caustic substances is known as ___________
• The disappearance of the plants and animals is due to the _________ in water. www.rejinpaul.comwww.rejinpaul.com Download updated materials from Rejinpaul Network App
• The presence of which of the following in sewage indicates nitrogen content before decomposition of sewage?
• The presence of which of the following indicates old pollution?
• The decomposition of sewage takes place, causing a pungent smell. Which of the following causes the pungent smell?
• Which of the following is the physical monitoring of the lake?
• which of the following does not include in the monitoring of river pollution?