The state has declared that a former factory site is contaminated, although it doesn’t know if the property poses a danger to the public. which expert should the state hire to learn about the risk, and what tasks should that person be able to complete? an environmental scientist, who can identify, prevent, and reduce pollution and hazards in and around the site an environmental restoration planner, who can devise a plan to protect the environment surrounding the site an hydrologist, who can study the water located underground and in the atmosphere surrounding the site a conservation scientist, who can study and manage natural resources to protect the animals living near the site

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.

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2. fluorine and chlorine molecules are blamed fora trapping the sun's energyob forming acid rainoc producing smogod destroying ozone molecules