Aresearcher has decided to do a study with people who have adopted children from outside the united states. he talks with a friend, whom he knows recently adopted, and asks if he would consent to an interview. he interviews his friend, and then asks his friend if he could give his contact information to other people who have recently adopted children from outside of the united states. his friend shares the researcher's contact information with five friends. the researcher eventually interviews those five people and asks them to share his contact information with any adoptive families in their friendship networks. this sampling technique is known as:

Three of the following renaissance writers are correctly pairedwith a literary work they wrote. who is not? boccaccio - the book of the courtiermachiavelli- the prince erasmus- in praise of follythomas more- utopia

Awoman was found strangled in the basement of her home where she lived with her husband. the crime scene was processed and investigators left. the next day, the medical examiner reported that a scalloped, woven belt was used to strangle the victim. the police asked the husband to search the house again to look for such a belt and he agreed. a belt was found that matched marks on the victim. the man was arrested. his attorney made a motion that the belt be excluded from the evidence as he contended that the search was not legal. which statement is true? a. the belt should be excluded because the search was not legal. the police did not obtain a search warrant, as needed according to the fourth amendment to the u.s. constitution. b. the belt is admissible because the man gave his consent to the second search. c. the belt should be excluded because the search was not legal. the police did not obtain a search warrant, as need according to michigan v. tyler. d. the belt is admissible as evidence, according to mincey v. arizona.

Why might polar bears become extinct