11. Rob was determined to get a random sample of university students for his psychology survey assignment. He succeeded when he:

Select only one.
☐ put an ad in the school paper requesting volunteers and polled the first 100 students who answered the ad.
☐ copied the names of all the students on slips of paper, putting them in a bag, and drawing out 100 slips. Then he called up those students.
☐ polled ten of his friends and then asked each one of them to poll nine of his or her friends.
☐ stopped people on their way into the cafeteria and polled the first 100 who agreed to be surveyed.

State the right hand rule of the direction of magnetic field in a conductor carrying current

Researchers determine that the biodiversity in a woodland region is declining. they identify two major threats to the region's biodiversity, a method to address each threat, and the expected outcome of each method. this information is shown in the table. a) reforestation would not benefit many species because most forest species live on the ground. b) reforestation would take the longest time to be effective because trees take several years to grow. c) biological augmentation would benefit only a few species because is is typically not very effective. d) biological augmentation would take less time to ve effective because it targets the majority of prey species.

Connie has $660,000 she wants to save. if the fdic insurance limit per depositor, per bank, is $250,000, which of these way is distributing her money between three banks will guarantee that all of her money is insured ?