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...
