What is the most effective way to troubleshoot a problem?

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

What is not a type of text format that will automatically be converted by outlook into a hyperlink?

Which of the following "invisible" marks represents an inserted tab?