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 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 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...
Heat is a form of energy that transfers from the higher temperature object to the lower temperature object, and is transferred through conduction, convection and radiation. Anything that produces warmth is referred to as...