Сагс хоосон байна
The basic ways we use the sea and its resources
The seas provide food, raw materials, and transportation opportunities, but their use can also result in environmental pollution.
Газар зүй
8 – 11-р анги
Бичсэн: Guba András
Хянан шалгагч: Jóri Johanna
График дизайнер: Fasola Martin
Хөгжүүлэгч: Tóth Martin
Түлхүүр үгс
mozaLink
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