2.4 List the tools and materials that could probably be used in building the product. Minimum of three tools and two materials (5x2=10) Tools Materials 1. 1. 2. 2. 3 [40]​

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