Use the drop-down menus to describe the Customize Ribbon dialog box. This section lists the different tabs on the ribbon.
Customize the Ribbon

This component helps the user reorder tabs along the ribbon.
Choose Commands from

This section lists commands to be added to or removed from the ribbon.
Move Up/Move Down Buttons

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