Answer:
D) Each solar system contains billions of galaxies
Think, there are no other galaxies from the sun to Pluto (not a planet but still in our solar system) and the answer said EACH solar system and, a Galaxy contains solar systems not the other way around.
In 1933, Congress repealed Prohibition with the twenty-first amendment (D). This happened on December 5th and alcohol was officially legal on December 15th. It is the only amendment to have been ratifying state conventions, all other amendments have been ratified by state legislatures. Although alcohol only became legal on December 15th, people started drinking openly before this date.
Answer:
The Seven Principles of Leave No Trace provide an easily understood framework of minimum impact practices for anyone visiting the outdoors. Although Leave No Trace has its roots in backcountry settings, the Principles have been adapted so that they can be applied anywhere — from remote wilderness areas, to local parks and even in your own backyard. They also apply to almost every recreational activity. Each Principle covers a specific topic and provides detailed information for minimizing impacts.
By 1860 almost half of the American people lived west of the Appalachian Mountains. In the 19th-century movement of settlers into the American West, was initiated with the Louisiana Purchase and Lewis and Clark´s expedition. I was also triggered by the California Gold Rush, the Oregon Trail and "manifest destiny." Manifest destiny was the believe that Americans were meant to expand across all of North America.
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