Heat causes chemical reaction so that might be a way in which people use chemical properties to separate one substance from another substance .
Answer: In composing the declaration, Jefferson followed the format of the English Declaration of Rights, written after the Glorious Revolution of 1689. Most scholars today believe that Jefferson derived the most famous ideas in the Declaration of Independence from the writings of English philosopher John Locke.
Answer:
The Mississippians were a native American culture that inhabited the Mississipi River Valley and surrounding areas from 9th till 16th century. Their culture was unique in that they created Mounds, that is man-made hills, many of them are still existing today.
<span>) The population has increased because of the immigration and slaves.
2) The population grew in leaps and bounds, primarily through immigration.
3) Roads, waterways, railroads, steam boats, and refrigerator railroad cars.
4) * Changes in transportation played a big part in the change of United States.
* The change in the industry such as more factories being opened.
* Many women had made progress in doing things that men would usually do.
* Changes were made to the Constitution.
5) The 14th Amendment had defined a citizen as "any person born or naturalized in the U.S." The 13th Amendment abolished slavery, and the15th Amendment prohibits the right to vote to someone due to their race, color,or servitude. </span>
D. Obama became more popular later on in his presidency.
