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Post a LessonAnswered on 15 Apr Learn Sources Of Energy
Sadika
Answered on 15 Apr Learn Sources Of Energy
Sadika
Biogas is considered to be a boon to farmers for several reasons:
Energy Production: Biogas provides a renewable source of energy for farmers, which can be used for cooking, heating, and lighting purposes. This reduces their reliance on traditional sources of fuel like wood, dung, or fossil fuels, thereby saving costs and reducing environmental impact.
Waste Management: Biogas production involves the anaerobic digestion of organic waste materials such as animal dung, crop residues, and kitchen waste. By converting these waste materials into biogas, farmers can effectively manage and dispose of organic waste while simultaneously producing energy.
Fertilizer Production: The byproduct of biogas production, known as digestate, is a nutrient-rich fertilizer. Farmers can use digestate to improve soil fertility and enhance crop yields, reducing the need for chemical fertilizers and promoting sustainable agriculture practices.
Answered on 15 Apr Learn Sources Of Energy
Sadika
A solar cell panel, also known as a photovoltaic (PV) panel, is a device that converts sunlight directly into electricity using the photovoltaic effect. Three applications of solar cell panels are:
Residential and Commercial Solar Power Systems: Solar panels can be installed on rooftops of homes, buildings, and offices to generate electricity for on-site consumption or to feed excess power back into the grid.
Off-grid Power Solutions: Solar panels are used in remote areas or locations where access to traditional power grids is limited or unavailable. They provide a reliable source of electricity for powering remote homes, telecommunications equipment, water pumps, and other applications.
Solar-powered Gadgets and Appliances: Solar panels are used to power various gadgets and appliances such as calculators, street lights, outdoor lighting, solar-powered chargers, and solar-powered water heaters.
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Answered on 15 Apr Learn Sources Of Energy
Sadika
Many thermal plants are set up near coal or oil fields because:
Fuel Availability: Thermal power plants primarily rely on coal or oil as fuel for generating electricity. Setting up plants near coal or oil fields reduces transportation costs and ensures a steady and reliable supply of fuel to the power plants.
Efficiency: Proximity to coal or oil fields allows for efficient extraction and transportation of fuel to the power plants, minimizing losses associated with fuel transportation and storage.
Infrastructure: Coal or oil fields often have existing infrastructure such as railways, pipelines, and storage facilities, which can be utilized for transporting fuel to thermal power plants, thereby reducing initial setup costs and time.
Answered on 15 Apr Learn Our Environment
Sadika
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Answered on 15 Apr Learn Our Environment
Sadika
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Answered on 15 Apr Learn Our Environment
Sadika
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Answered on 15 Apr Learn Management of Natural Resources
Sadika
Answered on 15 Apr Learn Management of Natural Resources
Sadika
We need to use resources carefully to ensure their sustainable availability for current and future generations. Careful resource management helps prevent resource depletion, environmental degradation, and loss of biodiversity, ensuring that essential resources remain available for various human needs.
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Answered on 15 Apr Learn Management of Natural Resources
Sadika
Recycling is generally considered better than reuse because it involves processing materials to create new products, reducing the need for virgin resources and minimizing waste. For example, recycling paper saves trees and energy compared to reusing paper, which may not be feasible due to degradation or contamination.
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