In this video segment, from the PBS documentary Looking for Lincoln<span>, Henry Louis Gates, Jr. and historian David Blight examine President Abraham Lincoln’s mixed motivations for issuing the Emancipation Proclamation. They conclude that while Lincoln ultimately recognized the moral righteousness freeing the slaves, his first and primary concern was strategic: it was the best way to rally the North and strike at the heart of the South’s economy. Gates and Blight then join a roundtable discussion of Lincoln scholars debating the legal authority of the Proclamation and its special meaning for African Americans.</span>
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What do you need help with? The graph?
Mary would start with a hypothesis such as, "I believe that plants with no soil will not grow because there are no nutrients coming from the soil for the plant to grow"
Then she would put the plan in place to start her experiment. She will get the same type of seeds, the same amount of water and sunlight. The only difference between the 3 plants is that one plant will have no soil, the second plant will have 1 inch of soil, the third plant will have the correct amount of soil.
She will run the experiment for 2 weeks to see whether the plants have grown and what the conclusion is. She will record how much the plants have grown every day, she will measure the height of each plant.
At the end of 2 weeks, she will gather all her data and come to a conclusion.
Large racial and gender wage gaps in the U.S. remain, even as they have narrowed in some cases over the years. Among full- and part-time workers in the U.S., blacks in 2015 earned just 75% as much as whites in median hourly earnings and women earned 83% as much as men.
