If your vehicle has fuel injection and the engine is cold,
a. keep your foot off the accelerator.
b. press the accelerator repeatedly.
c. press the accelerator to the floor.
d. press the accelerator to the floor once and release it.

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