Task Instructions In cel E10, create a fomula by entering cell references
that adds cells B9 and B10, and then subtracts cell EB.

Acetylene is a gas which burns rapidly on its own, and is considered highly explosive. a) true b) false

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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