What is unsupervised learning in artificial intelligence?

All living things share certain characteristics. which of the following characteristics is not shared by all living things?

Part b forty-year-old kyle wants to start investing for retirement. he wants to select a personal investment plan that will allow him to withdraw funds without paying penalties and taxes once he turns 59.5. which retirement plan should he choose? a. traditional ira b. roth ira c. 401(k)

The authuor says that in some town hall meeting several thousand citizens might attend and vote . what would you do to make sure a town hall meeting of that many people would run smmothly