1. An Indian calendar based on the positions of the Sun and Moon. Explanation: It is used to predict eclipses and determine festival dates. For more please visit here: https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-4/

    An Indian calendar based on the positions of the Sun and Moon.
    Explanation: It is used to predict eclipses and determine festival dates.

    For more please visit here:
    https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-4/

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  2. Many historical records are missing or incomplete. Explanation: Historians must rely on diverse and sometimes conflicting sources. For more please visit here: https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-4/

    Many historical records are missing or incomplete.
    Explanation: Historians must rely on diverse and sometimes conflicting sources.

    For more please visit here:
    https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-4/

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  3. It allowed the exchange of goods like food, tools, and ornaments. Explanation: Trade fostered communication and cultural exchange. For more please visit here: https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-4/

    It allowed the exchange of goods like food, tools, and ornaments.
    Explanation: Trade fostered communication and cultural exchange.

    For more please visit here:
    https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-4/

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  4. They provided water, fertile soil, and transportation routes. Explanation: Settlements often developed along rivers. For more please visit here: https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-4/

    They provided water, fertile soil, and transportation routes.
    Explanation: Settlements often developed along rivers.

    For more please visit here:
    https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-4/

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  5. A period when large parts of the Earth were covered in ice. Explanation: The last Ice Age ended about 12,000 years ago. For more please visit here: https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-4/

    A period when large parts of the Earth were covered in ice.
    Explanation: The last Ice Age ended about 12,000 years ago.

    For more please visit here:
    https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-4/

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