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 In C++, visibility modes are used to determine the access of the derived class to the members of the base class. There are three visibility modes used in inheritance, which are as follows: 1. Public Inheritance: In public inheritance, all the public members of the base class become public members of the derived class, and all the protected members of the base class become protected members of the derived class. Private members of the base class are not accessible in the derived class. Example: class Base { public:     int public_member; protected:     int protected_member; private:     int private_member; }; class Derived : public Base { public:     void access_base_members() {         public_member = 1; // Accessible         protected_member = 2; // Accessible         // private_member = 3; Not accessible     } }; 2. Protected Inheritance: In protected inheritance, all t...