Which printers work by heating thermal paper to produce prints? printers work by heating thermal paper to produce prints.

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

The gene form of a trait is called a(n) 

Ican’t open these when it’s just a comment. someone pls explain why this is happening