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प्रश्न
Solar water – heater works on renewable energy system
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उत्तर
True
shaalaa.com
Use of Efficient and Eco-friendly Technology
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
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संबंधित प्रश्न
Write any two measures to conserve water.
Write a short note on pressure cooker.
Fill in the blank:
______________ is a greenish coloured poisonous gas.
Choose the correct alternative and rewrite the following:
Twenty dry raisins were soaked in 50 ml of water and kept for one hour at 500 C. Which out of the following is the correct observation?
What is recycling of waste?
Give one example of Reuse.
Give two examples of efficient technology.
What is nano-technology?
What is biotechnology?
Discuss the role of eco-efficiency technology.
Discuss the concept of eco-friendly technology.
Discuss the role of eco-friendly technology.
Discuss the concept of eco-efficiency technology.
Give two examples of eco-friendly technology.
