The nfipa 704 system uses a numerical value between and to indicate the level of hazard for that particular chemical. a) 0; 4 b) 1; 100 c) 0; 9 d) 1; 20

Which of the following statements is false? a. a class can directly inherit from class object. b. if the class you're inheriting from declares instance variables as private, the inherited class can access those instance variables directly. c. a class's instance variables are normally declared private to enforce good software engineering. d. it's often much more efficient to create a class by inheriting from a similar class than to create the class by writing every line of code the new class requires.