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Suvning ifloslanishi va uni tozalash usullari. 7- sinf

suv ifloslanishitozalash usullarisuv sifati
11 betPPTX91 ko'rildi0 marta sotilgan
5 000 so'm
Joker 🃏310 ta hujjat sotilgan

Tavsif

This product discusses water pollution and its cleaning methods for 7th grade students. Topics include causes of water pollution, types of water pollution, and industrial contaminants affecting water quality

Hujjat haqida

Kategoriya
Taqdimotlar | Biologiya
Format
PPTX
Hajmi
11 bet
Fayl hajmi
949.18 KB
Muallif
Joker 🃏
Qo'shilgan
11.04.2026

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