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Marine pollution
Marine pollution refers to the introduction of harmful substances, such as waste and chemicals, into the ocean, which harms marine life and human health.
6 ~ 12 학년
저자: Maradi Ádám Péter
교정자: Jóri Johanna
그래픽 아티스트: Fasola Martin
개발자: Tóth Martin
검색어
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