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  1. It depletes fish populations and disrupts marine food chains. Explanation: This endangers biodiversity and food security. For more please visit here: https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-2/

    It depletes fish populations and disrupts marine food chains.
    Explanation: This endangers biodiversity and food security.

    For more please visit here:
    https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-2/

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  2. Contamination of oceans due to plastic, chemicals, and overfishing. Explanation: This threatens marine life and ecosystems. For more please visit here: https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-2/

    Contamination of oceans due to plastic, chemicals, and overfishing.
    Explanation: This threatens marine life and ecosystems.

    For more please visit here:
    https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-2/

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  3. The world’s largest island. Explanation: Located in the Arctic, it is larger than any state in India. For more please visit here: https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-2/

    The world’s largest island.
    Explanation: Located in the Arctic, it is larger than any state in India.

    For more please visit here:
    https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-2/

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  4. Marine ecosystems formed by coral polyps. Explanation: They support diverse marine life but are vulnerable to climate change. For more please visit here: https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-2/

    Marine ecosystems formed by coral polyps.
    Explanation: They support diverse marine life but are vulnerable to climate change.

    For more please visit here:
    https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-2/

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  5. It affected 14 countries, killing over 2 lakh people. Explanation: Triggered by an earthquake, it severely impacted India. For more please visit here: https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-2/

    It affected 14 countries, killing over 2 lakh people.
    Explanation: Triggered by an earthquake, it severely impacted India.

    For more please visit here:
    https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-2/

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    • 20