<span>When there are silent people, like slaves who didn't write their stories down, learning the history of these people is relied on oral histories. These come in the form of stories and tales, some passed down for generations. The problem with this is that an oral story is always open to embellishment and modification, it is nearly impossible to fact check it. It has to be very cautiously used, and often times other sources must be used to fact check its accuracy when possible.</span>
Answer:A plateau is a flat, elevated landform that rises sharply above the surrounding area on at least one side. Plateaus occur on every continent and take up a third of the Earths land. They are one of the four major landforms, along with mountains, plains, and hills.
Explanation:
Answer: order of test items
Explanation: An independent variable is a variable that is specifically manipulated by a researcher to investigate whether it consequently brings about change in another variable. The other variable, which is measured and predicted to be dependent upon the independent variable, is known as the dependent variable.
In the experiment above, the independent variable is the order or arrangement of the test items. The instructor gave two sets of order to two groups of students to study effect of the order on test scores. The effect on the test scores may be dependent on the order the tests were arranged.
