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VPLIV ČLOVEKA NA OKOLJE (onesnaževanje zraka)

Zrak je zmes plinov. V zraku so tudi plini in prašni delci, ki jih v čistem zraku ni. Kadar je vsega preveč, je zrak onesnažen. Ugotovi, kdo vse onesnažuje zrak, kakšne so posledice onesnaženega zraka in kako jih preprečujemo!
Recommended age: 10 years old
5 times made

Created by

Kaja Kous
Kaja Kous
Slovenia

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    Kaja Kous
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