<span>Russian physiologist Ivan Pavlov originated the study of classical conditioning while studying the salivation of dogs and finding that they would begin salivating even when they were not supposed to. Pavlov's classic experiment consisted of his paring of the ticking sound of a metronome with the presentation of food to see if the dogs would eventually salivate to just the sound of the ticking metronome.
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1a. True
There a much higher population
1b. True
Puerto Rico is growing rapidly
I believe the answer is <span>Posse Comitatus Act of 1879
the </span><span>Posse Comitatus Act of 1879 require abled bodied men over the age of 15 to help the sheriff in maintaining the security within a certain area if they're asked to. At the earliest years of the establishment of this act, people who fail to fulfill this request would received a 2 years jail punishment.</span>
