How does natural pollution occur? A. When toxic chemicals in rainwater flow into rivers and lakes. B. When factory waste goes into lakes. C. When people throw garbage into rivers. D. When peo

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How does natural pollution occur?

When toxic chemicals in rainwater flow into rivers and lakes.

When factory waste goes into lakes.

When people throw garbage into rivers.

When people drink polluted water.

Giải thích

Đáp án đúng: A

Thông tin: Natural pollution occurs when rainwater with toxic chemicals flows into rivers or lakes. (Ô nhiễm tự nhiên xảy ra khi nước mưa chứa các hóa chất độc hại chảy vào sông hoặc hồ.)