Why "passwd," "chsh," "su," and "sudo" commands need to be set-uid programs?

An externality can be created by a. people working at a production job and enjoying their work b. a production activity but not a consumption activity c. a consumption activity but not a production activity d. a production activity or a consumption activity externalities a. are always positive, and an example is flu vaccinations b. are always negative, and an example is the pollution created by trucks c. can be negative or positive. logging has a negative externality, and education has a positive externality d. can be negative or positive. a negative externality is having to go to school when you would rather go to the beach, and a positive externality is spending time with your friends

The graph represents price and output quantities under a monopoly what price will the monopolist firm set

The most effective way for individuals to influence the outcome of the protectiveequipment proposal is toa.b.c.d.circulate a petitionjoin a political partymake a presentation to the school boardwrite a letter to their provincial government representative