Number of water bodies
Source: Indian Institute of Science
a) Explain the trend in the number of water bodies from 1973 to 2007.
b) What could be the possible reason behind this trend?
c) Many water bodies in cities like Bengaluru are eutrophied due to algal growth. What
causes alga to grow so rapidly in water bodies?
d) Explain how eutrophication impacts aquatic animals.
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