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

Related MCQs

• Bacteria and micro organisms present in the water will cause _________ in human and animals.
• What is the growth of huge amounts of algae and other aquatic plants leading to the deterioration of the water quality called?
• What is the minimum amount of DO required for the life survival of aquatic animals?
• The Federal Water Pollution Control Act of 1948 was the first major U.S. law to address water pollution.
• In which process of water softening, the chemicals are added to remove hardness from water?
• The propulsion of water into steam drum by extremely rapid, almost explosive boiling of water at the heating surface is called ___________
• How many types of wastewater treatment plants are there based on the type of wastewater?
• Which of these materials is not added to iron for improving its oxidation resistance?
• Which minerals and in what form are present in ground water?
• The surface water quality is affected by _______ and infiltration from rainfall.