1. A latitude line at 23.5°N. Explanation: It marks the northernmost point of the Sun's overhead position. For more please visit here: https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-1/

    A latitude line at 23.5°N.
    Explanation: It marks the northernmost point of the Sun’s overhead position.

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  2. Because the Earth rotates, causing variations in sunlight across longitudes. Explanation: Local time depends on a place's position relative to the Sun. For more please visit here: https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-1/

    Because the Earth rotates, causing variations in sunlight across longitudes.
    Explanation: Local time depends on a place’s position relative to the Sun.

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    https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-1/

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  3. Crossing it changes the date by one day. Explanation: It roughly follows the 180° longitude but deviates to avoid dividing countries. For more please visit here: https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-1/

    Crossing it changes the date by one day.
    Explanation: It roughly follows the 180° longitude but deviates to avoid dividing countries.

    For more please visit here:
    https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-1/

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  4. IST is 5 hours 30 minutes ahead of Greenwich Mean Time (GMT). Explanation: It is the standard time used across India. For more please visit here: https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-1/

    IST is 5 hours 30 minutes ahead of Greenwich Mean Time (GMT).
    Explanation: It is the standard time used across India.

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    https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-1/

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  5. Regions of the Earth where the same standard time is used. Explanation: Time zones are based on the Earth's rotation and longitude. For more please visit here: https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-1/

    Regions of the Earth where the same standard time is used.
    Explanation: Time zones are based on the Earth’s rotation and longitude.

    For more please visit here:
    https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-1/

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    • 19