<span>Phosphorus is a supply that is never found as a free element
on Earth because of its high reactivity. They are mostly found in maximally
oxidized phosphorus-containing minerals as inorganic phosphate rocks. It comes
in two major forms, the white and red phosphorus. This element is essential for
life because they are part of the components of DNA, RNA, ATP, and
phospholipids that are found in cell membranes. Urine and bone ash have high
concentrates of phosphorus. It can also be used in detergents, pesticides, and
nerve agents. </span>
B. an elected school board
Justinian and Theodora's reign over the Byzantine Empire is marked by all of the following EXCEPT: <span>Commissioned the creation of many sets of laws called Justinian's Rules that no one in the future would us a model
The Justinian Code was a set of laws created by Byzantine Emperor Justinian I. These codes though created during AD 527 to 565, Justinian rule, greatly influence our modern laws. Its creation and content affected how numerous nation created their constitution, made and pass laws, as well as implement these laws across their territories.</span>
Answer: The early 20th century was an era of business expansion and progressive reform in the United States. The progressives, as they called themselves, worked to make American society a better and safer place in which to live. They tried to make big business more responsible through regulations of various kinds. They worked to clean up corrupt city governments, to improve working conditions in factories, and to better living conditions for those who lived in slum areas, a large number of whom were recent immigrants from Southern and Eastern Europe.
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