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What is the name of Earth’s natural satellite?
The correct answer is (B) Moon. Earth's natural satellite is called the Moon. It is the fifth-largest moon in the Solar System and plays a crucial role in influencing Earth's tides, climate and rotation. The Moon orbits Earth approximately once every 27.3 days. For more visit here: https://www.tiwarRead more
The correct answer is (B) Moon.
Earth’s natural satellite is called the Moon. It is the fifth-largest moon in the Solar System and plays a crucial role in influencing Earth’s tides, climate and rotation. The Moon orbits Earth approximately once every 27.3 days.
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Which of the following is a renewable resource?
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 reduceRead 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.
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The purpose of windmills.
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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What percentage of air is oxygen?
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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Which gas is most abundant in the air?
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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