virtual functions in c++

Virtual functions in c++ If there are member functions with same name in base class and derived class, virtual functions in c++ gives programmer capability to call member function of different class by a same function call depending upon different context. This...

structure and function of an ecosystem

structure and function of an ecosystem Each ecosystem has two main components: (1) Abiotic (2) Biotic (1) Abiotic Components: The non living factors or the physical environment prevailing in an ecosystem form the abiotic components. They have a strong influence on the...

concept of an ecosystem

concept of an ecosystem Living organisms cannot live isolated from their non-living environment be­cause the latter provides materials and energy for the survival of the former i.e. there is interaction between a biotic community and its environment to produce a...

Inheritance in c++

Inheritance in c++ One of the most important concepts in object oriented programming is inheritance. Inheritance allows us to define a class in terms of another class, which makes it simpler to create and maintain an application.  This also gives an opportunity to...

Biological hazards

Biological hazards Biological Hazards UNISDR definition: Processes of organic origin or those conveyed by biological vectors, including exposure to pathogenic micro-organisms, toxins and bioactive substances, which may cause the loss of life or injury, property...

Physical hazards

Physical hazards Environmental and physical hazards All items made from organic materials will inevitably suffer some deterioration over time, because of the inherent nature of the materials and the chemical processes used in their construction. Parchment and good...