John johnson used nonrandom sampling in his study of successful scientists. he knew most got excellent grades in high school and college, excelled in mathematics, and had a strong interest in science from a young age. for his study, he was interested in sampling those who were successful as adult scientists, but did poorly in high school, did average or worse in math classes, and showed little interest in science until they reached college or later in life. what type of sampling was he using?

Between 1518 and 1548, spanish conquistadores conquered most of the new world, motivated by the a) desire for scientific knowledge. b)  to urge to claim more territory for spain. c) belief that an all-water western route to the orient existed. d) desire to advance national glory, serve god, and seek personal wealth.

Jonathan purchases a comic book over the phone. the store does not promise a particular time in which the comic book will be shipped to jonathan. after 40 days, the comic book has not been shipped. do state or federal laws protect jonathan's rights in this case? what is the name of the law? select the best answer from the choices provided. a. federal law; the implied warranty of merchantability b. state law; the implied warranty of merchantability c. federal law; the mail and telephone order rule d. state law; the mail and telephone order rule

What is an attack against a country called?