The importance of good and bad conductors of heat
All metals are good conductors of heat and they are different in conducting the heat, which means that some metals conduct the heat faster than the other, The heat makes us comfortable and helps...
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The reproduction process and the male reproductive (genital) system
The reproduction process The reproduction process is a process that aims to secure the existence and continuity of living organisms species and to prevent them from the extinction, The human reproduce sexually when two...
The atomic structure of the matter
The atom The atom is the fundamental building unit of the matter, and it is the smallest individual unit of the matter which can share in the chemical reactions, Boyle, Thomas, Rutherford and Bohr...
The importance and properties of the bases (alkalis)
The bases (alkalis) The bases are the substances that dissociate in the water producing the negative hydroxide ions (OH–), Examples of some bases such as sodium hydroxide (the caustic soda) NaOH, calcium hydroxide (lime...
