Which method allows you to quickly transfer data while reducing the possibility of errors from retyping and reformatting data? a. typing b. linking c. embedding d. copying and pasting only answer if you're 100% sure

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