The erosion of the ozone layer The ozone hole is a thinning or losing parts of the ozone layer above the south pole, The scientists have noticed that there was the erosion of the...
The ozone layer The ozone layer is located at the height from 20 to 40 km above the sea level, And it is located in the lower part of the stratosphere layer, As it...
The atmospheric envelope of the Earth The Earth is surrounded by a gaseous envelope known as the atmospheric air or the atmospheric envelope which is a gaseous envelope rotating with the Earth around its...
The molecules The matter consists of very small structural units known as the molecules, The molecule is the smallest part of the matter which can exist freely, and it has the properties of the...
The types of the soil are the sand soil, the silt soil and the clay soil What are the types of soil? You can see the soil around you, you will notice the different...
The electric circuits The electric circuit is known as a closed and continuous path through which, the electricity will pass making a complete cycle. The simple electric circuit The simple electric circuit consists of...
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