People first arrived in the Americas through Bering Strait. At the time the Strait was either partially frozen, so people could just walk, or very shallow, so people could travel with primitive boats.
So government can change because new people get elected,new ideas are enforced,and the performance that each person or everybody forms.
Are you talking like a college degree? A little confused on the question but you need to take college courses and on the job training for a little bit before you get the degree.
The answer to this question is old people= democrats<span>
The baby boomers grew up in period of prosper. Therefore, the majority of them held social justice as their main core of politic (which is the main focus of democratic party during that time)
As they grow older, this political preference remain the same and cause a lot of old people start to shifted to democrats</span>
Answer: a. testing effect
Explanation:
Testing effect is a type of threat to internal validity of an experiment. Internal validity is assessing whether a factor makes a difference in an experiment or not and if it does, whether there is adequate evidence to support this correlation.
Testing as a threat to internal validity is when a second test is taken on the outcome of a first test. Other internal validity threats are history, maturation, instrument modifications.
