Member for
3 years 7 monthsAge: 10-11
Level: 5
Language: Czech
(cs)
ID: 760372
25/02/2021
Country code: CZ
Country: Czechia
Main content: Znečištění (1292173)
From worksheet author:
znečištění vzduchu DATAKABINET
Other contents:
vzduch
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![ochrana ovzduší ochrana ovzduší](/sites/default/files/styles/worksheet/public/def_files/2021/2/25/10225174926865041/10225174926865041001.jpg?itok=NTMqyPVL)