Trắc nghiệm tổng hợp Tiếng anh có đáp án 2023 (Phần 13)

The word "they" in paragraph 4 refers to

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The word "they" in paragraph 4 refers to

marine organisms

man-made pollutants

the oceans

ocean's depths

Giải thích

Thông tin: Common man-made pollutants reaching the oceans include pesticides, herbicides, chemical fertilizers, detergents, oil, sewage, plastics, and other solids. Many of these pollutants collect at the ocean's depths, where they are consumed by small marine organisms and introduced into the global food chain.