To get the best instructions for a tool's use and maintenance, follow the a. shop owner's directions. b. directions you get from a coworker. c. manufacturer's directions. d. shop manual.

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