You notice that rain water forms "beads" on your car. this is an example of what property of water?

Emily naturally blinks whenever her sister pretends she is going to poke her in the eye. her sister, a psychology major, then decides to have a little fun. she pairs the word “psychology” (neutral stimulus) with pretending to poke emily in the eye (unconditioned stimulus), which automatically makes emily blink (unconditioned response). soon, emily blinks as soon as she hears the word “psychology.” when emily blinks when hearing the word “psychology,” even when her sister does not pretend to poke her in the eye, the word “psychology’ is now the

Where is sub-saharan africa located?

It is widely assumed that people need to engage in intellectual activities such as solving crossword puzzles or mathematics problems in order to maintain mental sharpness as they age. in fact, however, simply talking to other people—that is, participating in social interaction, which engages many mental and perceptual skills—suffices. evidence to this effect comes from a study showing that the more social contact people report, the better their mental skills. which of the following, if true, most seriously weakens the force of the evidence cited? (a) as people grow older, they are often advised to keep exercising their physical and mental capacities in order to maintain or improve them. (b) many medical conditions and treatments that adversely affect a person's mental sharpness also tend to increase that person's social isolation. (c) many people are proficient both in social interactions and in solving mathematical problems. (d) the study did not itself collect data but analyzed data bearing on the issue from prior studies. (e) the tasks evaluating mental sharpness for which data were compiled by the study were more akin to mathematics problems than to conversation.