Answer:
Ancient civilizations based a large part of their economy and their subsistence on trade and exchange of goods. Thus, they were guided by a very simple premise: they traded what they had left over, to obtain in exchange what they lacked. For example, if a civilization overproduced wheat, it could trade that surplus for goods it did not have, such as animals. In this way, all civilizations covered their needs without the obligation to procure them all by their own hand.
Answer: This is just a guess but maybe like if you have like thermal vision I guess-
<span>Vultures are enemies of and are deliberately targeted by poachers, who kill the birds to stop them from circling the carcasses of illegally slain animals and thus alerting authorities.</span>
Answer: Discriminant validity
Explanation:
Discriminant Validity
Discriminant validity means a researcher needs to display or show that those variables that are not correlated are indeed not correlated in real life or practically .
For example the test above is measuring intelligence rather than reading ability so the researcher can use discriminant validity to actual show that reading ability is not related to intelligence and that the test is solely measuring intelligence.
He should show the evidence that there is really a low correlation between these two measures.
The correct answer is letter <span>B. The Great Migration brought jazz from the large cities of the Northeast and Midwest to New Orleans. The early years of Jazz was greatly influenced by the African</span> influence on New Orleans music and it can be traced its roots at least back to Congo Square<span> in </span>New Orleans<span> in 1835, when </span>slaves<span> would congregate there to play music and dance on Sundays.</span>
