Answer:
Scientists believe planets begin to form when a dense cloud of dust and gas, called a nebula, spins around a newly formed star. Gradually, gravity causes the bits of matter in the nebula to clump together. Slowly, these clumps accumulate and grow. Eventually, these clumps become planets.
Explanation:
The answer is: Water management projects created huge reservoirs and lakes where there had been dry canyons.
The National Reclamation Act of 1902 was a federal law that was passed in order for the federal government to start major irrigation projects in the West.
The result of these major projects was the creation of complex structures and systems(reservoirs and lakes) that would allow for the transformation of arid lands into farm capable lands.
Answer:
a period of relative stability in Eurasia under the Mongol Empire during the 13th and 14th centuries.
Explanation:
<span>The sinking of the Cunard ocean liner RMS Lusitania occurred on Friday, 7 May 1915 during the First World War, as Germany waged submarine warfare against the United Kingdom who had implemented a naval blockade of Germany. The ship was identified and torpedoed by the German U-boat U-20 and sank in 18 minutes. The vessel went down 11 miles off the Old Head of Kinsale, Ireland, killing 1,198 and leaving 761 survivors.</span>