How do i use the tutor it wont let me use 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

Who is most likely be your target audience if you create a slide presentation that had yellow background and purple text

Which two technologies support the building of single-page applications?