The answer to the question is B.
Answer:
Globalization has made migration much easier through better communications, dissemination of information through mass media and improved transport, among others. It is the increasing trade and investment flows in many regions, which facilitated interest and awareness in migration.
The answer is: c. classical conditioning
In a classical conditioning, a certain behavior is learned by associating a certain stimulus with either positive or negative response.
For examples, let's say that every time the pets heard the sound electric can opener, the pets would immediately receive their food from their owners.
In the long run, the pets would associate the sound of the electric opener with the positive reward (in the form of food). This make the pets become most likely to experience biological response (such as watering mouth) every time they hear the electric opener.
<span>The Missouri Compromise in 1820 tried to solve the problem but succeeded only temporarily. (It established lands west of the Mississippi and below latitude 36º30' as slave and north of the line—except Missouri—as free.) Abolitionist groups sprang up in the North, making Southerners feel that their way of life was under attack. A violent slave revolt in 1831 in Virginia, Nat Turner’s Rebellion, forced the South to close ranks against criticism out of fear for their lives. They began to argue that slavery was not only necessary, but in fact, it was a positive good.</span>
A system of interlocking and interdependent food chains.
