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  1. The primary purpose of windmills is to generate electricity (A) by converting wind energy into mechanical power, which drives turbines to produce electricity. Historically, windmills were also used for grinding grain and pumping water, but modern wind turbines focus on energy production. For more viRead more

    The primary purpose of windmills is to generate electricity (A) by converting wind energy into mechanical power, which drives turbines to produce electricity. Historically, windmills were also used for grinding grain and pumping water, but modern wind turbines focus on energy production.

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    https://www.tiwariacademy.in/ncert-solutions/class-6/science/

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  2. The correct answer is (B) 21%. Oxygen makes up approximately 21% of Earth's atmosphere. The majority of the air is nitrogen, which constitutes about 78%, while the remaining 1% consists of other gases like argon, carbon dioxide and trace elements. For more visit here: https://www.tiwariacademy.in/ncRead more

    The correct answer is (B) 21%.
    Oxygen makes up approximately 21% of Earth’s atmosphere. The majority of the air is nitrogen, which constitutes about 78%, while the remaining 1% consists of other gases like argon, carbon dioxide and trace elements.

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  3. The most abundant gas in the air is Nitrogen (C). It makes up about 78% of Earth's atmosphere. Oxygen is the second most abundant at 21%, while carbon dioxide and argon exist in much smaller amounts. Nitrogen is essential for plant growth. For more visit here: https://www.tiwariacademy.in/ncert-soluRead more

    The most abundant gas in the air is Nitrogen (C). It makes up about 78% of Earth’s atmosphere. Oxygen is the second most abundant at 21%, while carbon dioxide and argon exist in much smaller amounts. Nitrogen is essential for plant growth.

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    https://www.tiwariacademy.in/ncert-solutions/class-6/science/

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  4. The correct answer is (A) Collecting rainwater for future use. Rainwater harvesting involves gathering and storing rainwater from rooftops, land surfaces, or other catchment areas. This collected water can be used for drinking, irrigation and groundwater recharge, helping to conserve water and reducRead more

    The correct answer is (A) Collecting rainwater for future use.
    Rainwater harvesting involves gathering and storing rainwater from rooftops, land surfaces, or other catchment areas. This collected water can be used for drinking, irrigation and groundwater recharge, helping to conserve water and reduce dependence on other sources.

    For more visit here:
    https://www.tiwariacademy.in/ncert-solutions/class-6/science/

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  5. To encourage students' active participation, teachers can introduce interesting songs organize interactive activities and provide exposure through live performances. Inviting musicians to school allows students to ask questions and develop a deeper connection with music. Encouraging them to sing sonRead more

    To encourage students’ active participation, teachers can introduce interesting songs organize interactive activities and provide exposure through live performances. Inviting musicians to school allows students to ask questions and develop a deeper connection with music. Encouraging them to sing songs from their culture and practice at home enhances enthusiasm. Schools can integrate music into daily routines, such as playing melodies instead of bells, making learning more engaging and enjoyable for students of all ages.

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