Which alignment positions text horizontally in the center of a line, with an equal distance from both the left and right margins?

________ charts are used to show how different categories relate to the whole

Fill in the blank(s) with correct word

Answer the following statements true (T) or false (F)

1) All virtual functions in an abstract base class must be declared as pure virtual functions 2) Referring to a derived-class object with a base-class handle is dangerous. 3) A class is made abstract by declaring that class virtual. 4) If a base class declares a pure virtual function, a derived class must implement that function to become a concrete class. 5) Polymorphic programming can eliminate the need for switch logic.