Q. Water stands on land for most of the year is called as_____________

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Q. Potato famine occurred in Ireland due to pest attack on the complete crop due to monoculture, this is of using________________

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Q. Harmful and high cost pesticides can be replaced by______________

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Q. Though farmers are aware that chemical fertilizers cause damage to the soil of the field they are using it because___________________

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Q. Which of the following situation is not the effect of modern agriculture?

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Q. Irrigation with light sodium water may damage soil structure by the formation of alkaline soil.

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Q. Energy is released from fossil fuels when they are___________________

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Q. Oil release sulfur dioxide gas when they burn.

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Q. The most nuclear fuel used in the world is________________

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Q. The blades in wind turbines are connected to________________

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Q. In the production of wave energy which form of energy is used?

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Q. A tidal barrage is a barrier built over a___________________

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Q. In hydroelectricity power_________________

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Q. Solar panels generate electricity.

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Q. In order to produce solar energy during sunlight, where the energy is stored in the batteries?

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Q. How many forms of fossil fuels are there________________

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Q. According to WHO, how many premature deaths annually linked to air pollution causing by the burning of fossil fuels?

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Q. Energy in the form of heat and light is obtained by________________

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Q. SI unit for energy is_____________

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Q. Trapped heat inside the earth is known as_______________

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