99 point question to add a preformatted process diagram or an organizational chart to a document, it is easiest to insert a image. clip-art shape smartart chart

4. what is the reason for including the following code snippet in the header file animal.h? #ifndef animal_h #define animal_h class animal { public: animal(); animal(double new_area_hunt); void birth(); void hunt(double new_area_hunt); void death(); double get_area_hunt() const; private: double area_hunt; }; #endif