INTRODUCTION
INTRODUCTION
INTRODUCTION Water is the most valuable natural resource. It is a source of life for people, plants and animals. In recent years, pollution of the rivers around Botevgrad has been observed, which affects the environment and human health
Original Slide Deck: Water pollution around Botevgrad
Topics: Freshwater.
Suitable Ages: 12.
Keywords: Educators.
Uploaded By: megiandonova
Number of bundles using this content: 1
Licensed under CC BY 4.0
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