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Nowadays, energy is being ran out more and more. We need to save energy because nobody of us can lives without energy. So why don't we start dong it right in our home. We have many ways to save energy in our home. One of those ways is using electricity, water and gas economically. Such as we should turn off the light in room when we go out or in unnecessary situations, avoid wasting water, shut the kitchen stove when stop cooking. Besides, we should use electrical equipments which is energy - saving. Such as using lights and pans that have low capacity, or using equipments which reserve electricty. Not only these help us to save money but also they work effectively. In addition, we should frequently check electrical equipments in our home in order to fix opportunely . In sammary, we need to save energy so that energy isn't ran out and continues to serve human's life.
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c
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b
The channel I like most is Disney Channel. It has a lot of interesting cartoons, such as: Oggy, Tom and Jerry, Uncle Grandpa and so on. It interests me a lot, it helps me relax after some difficult lessons. I like it very much.
Viết phương trình hoá học dạng phân tử và dạng ion rút gọn của phản ứng giữa axit photphoric với lượng dư của: Ca(OH)2