Not sure what’s the answer but try this. One promblem in the Southwest is the Asia water pollution.
<span>Adams's presidency was consumed with problems that arose from the French Revolution, which had also been true for his predecessor. Initially popular with virtually all Americans, the French Revolution began to arouse concerns among the most conservative in the United States after the excesses that commenced in 1792. The King and Queen (Louis XVI and Marie Antoinette) were executed, attempts at de-Christianization occurred, numerous foes of the Revolution—especially aristocrats and monarchists—were executed in the September Massacre (1792) and the Reign of Terror (1793-1794), and the revolutionary leadership moved toward social leveling that would end historic class privileges and distinctions between the social classes. Adams had observed the coming of the French Revolution while living in France and Great Britain</span>
I believe that historians have found artifacts that the Indus Valley Civilization made in the area the Sumerians were. There also might have been written evidence.
<span>Keple's three laws are as follows:
a) Planets move around the Sun in ellipses, with the Sun at one focus
b )The line connecting the Sun to a planet sweeps equal areas in equal times.
c) The square of the orbital period of a planet is proportional to the cube (3rd power) of the mean distance from the Sun
(also stated as-- ...of the "semi-major axis" of the orbital ellipse, half the sum of smallest and greatest distances from the Sun)</span>
1) bibliographies
2) biographical works
3) reference books, including dictionaries, encyclopedias, and atlases
4) articles from magazines, journals, and newspapers after the event
5) literature reviews and review articles (e.g., movie reviews, book reviews)
hope this helps :)