سلتك فارغة
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.
العام الدراسي 6 – 12
مؤلف: Maradi Ádám Péter
المراجع: Jóri Johanna
بياني: Fasola Martin
مطور: Tóth Martin
ملصقات
رابط الموزا
/رابط الشبكة