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The Physical and the Chemical changes of the matter The changes that may occur to the matter are the physical changes and the chemical changes. The physical change The physical change is a change...
The moon At night, When you look at the sky, you see the Moon, It is the satellite of the Earth. It is a dark body, But it seems bright because it reflects the...
Look at the sky, and you will notice that the Sun rises from the east and sets from the west, The sunrise and the sunset do not occur due to the rotation of the...
What is the meaning of the weather? The weather is the expected conditions of the atmosphere in a certain area during a short period of time, not exceeding one week, Every day, You can...