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प्रश्न
Give two examples of efficient technology.
उत्तर १
Using energy-efficient technology is environmentally benign as it reduces the use of coal and oil, which can lead to exhaustion and increased greenhouse gas emissions. Adopting fuel-efficient technologies in various industries saves natural resources for longer periods of time and provides alternatives.
उत्तर २
Efficient technology - computer and cell phone
Notes
Students can refer to the provided solutions based on their preferred marks.
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