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Suvning ifloslanishi va uni tozalash usullari. 7- sinf
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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
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#tozalash usullari#suv sifati#suv ifloslanishi
Premium Content
Suvning ifloslanishi va uni tozalash usullari. 7- sinf
5,000so'm
Betlar soni
11 taFayl hajmi
949.18 KBFayl turi
.pptx
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