Definitions [3]
Atmosphere:
The envelope of air around the Earth is called the atmosphere. It is composed of nitrogen, oxygen, water vapour, and carbon dioxide, with other gases present in small quantities. The atmosphere is like a protective blanket that keeps our planet safe and helps support life.
Define ‘eutrophication’.
Eutrophication: “Organic matter in sewage poured into water bodies generally results in excessive growth of algae – which deoxygenates water and produces deadening atmosphere there.”
Define – Saline water.
Water with a large amount of dissolved solids is not potable or suitable for drinking. Such water is called saline water.
