The correct answer is "<span> to accomplish a specific goal, such as graduating from college".
An individual may want to be part of a secondary group, because that particular individual may seek to accomplish and achieve a particular group that his primary group cannot help him or her with, which is why he or she considers to join another one, wherein help can be gathered easily from both groups or from the secondary group.</span>
It’s parties
Because we refer to the democrats and republicans as political parties
<span>This is continuous reinforcement, as opposed to intermittent reinforcement. The reinforcers can be apportioned based upon a fixed ratio (after every "x" responses, for example) or a fixed interval (every "x" seconds, minutes, days, or other time frame). As with any type of reinforcement, this can be either positive (in which something is given to the learner) or negative (in which something is removed from the learner).</span>
The correct answer is: "a handbook of government statistics
".
Government statistics are collected using objective measurament techniques and published by an official source.
The other three sources are not official, and probably, not objective as well. On the first hand, the information contained in a press realease from a company or in a claim in a political commercial, is subjected to the profit-maximization interests of a private company. On the other hand, a blog entry is very likely biased by the subjective opinion of its author.
Urban areas should be correct unless you were given options to choose from.
