Match the instruments with their uses.
tiles-
microscope-
streak plate-
telescope-
ruler-
(pairs)
1.identify the mineral composition
of a rock
2.view planets, stars, and objects
in space
3.measure the length of a piece
of paper
4.study a petri dish containing
bacteria

Consider the following code snippet: #ifndef cashregister_h#define cashregister_hconst double max_balance = 6000000.0; class cashregister{public: cashregister(); cashregister(double new_balance); void set_balance(double new_balance); double get_balance() const; private: double balance[12]; }; double get_monthly_balance(cashregister bk, int month); #endifwhich of the following is correct? a)the header file is correct as given.b)the definition of max_balance should be removed since header files should not contain constants.c)the definition of cashregister should be removed since header files should not contain class definitions.d)the body of the get_monthly_balance function should be added to the header file.