Comparing the academic accomplishments of those who score extremely low on intelligence tests with those who score extremely high on them is an effective way to highlight the of the tests.

A. would be the correct answer because when african americans moved from there to kansas they worked for the people they lived with

The changes to agriculture in the united states since 1900 is that increased mechanization has increased food production, thereby increasing the need for labor. there has been an increased need for higher speeds of food production due the fact that the population in the united states continues to rise.