What makes the river water look black and smell bad near Armanitola Government Primary School?

Key Points

The text states, 'On their way, they see people throwing trash and waste into the river. Dirty water from drains also flows into it. The river water looks black and smells bad.'

Class 4 › English For Today › Chapter 13: 13 - 16 Unit › Topic: Poem recitation and comprehension (Tears of the Earth)

Aligned to the NCTB national curriculum.