Answer: The correct answer is : Living systems depend on the polarity of water, because since water is polar it has an unevenly distributed charge, this means that water molecules are slightly positive and negative, for this reason water is a good solvent, this characteristic is essential in organisms. For example, sugars and other nutrients are dissolved so that the blood cells can carry it to cells in the body. If sugars weren't dissolved, they couldn't reach cells. Water also attracts or is attracted to other molecules and polar ions, including many biomolecules, such as sugars, nucleic acids and some amino acids.
After the abolition of slavery in the United States, three Constitutional amendments were passed to grant newly freed African Americans legal status: the Thirteenth Amendment abolished slavery, the Fourteenth provided citizenship, and the Fifteenth guaranteed the right to vote. In spite of these amendments and civil rights acts to enforce the amendments, between 1873 and 1883 the Supreme Court handed down a series of decisions that virtually nullified the work of Congress during Reconstruction. Regarded by many as second-class citizens, blacks were separated from whites by law and by private action in transportation, public accommodations, recreational facilities, prisons, armed forces, and schools in both Northern and Southern states. In 1896 the Supreme Court sanctioned legal separation of the races by its ruling in H.A. Plessy v. J.H. Ferguson, which held that separate but equal facilities did not violate the U.S. Constitution's Fourteenth Amendment.
Just for an extra fact,
This license was isued by the state of Missouri which provided the holder the legal right to hunt and kill African-Americans...
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<span>One of the important things that make information published in scientific journals trustworthy is because these journals are usually peer-reviewed.
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By definition, peer review is the process of subjecting the </span>scholarly work, ideas or research of<span> an author to the scrutiny of others who are experts in the same field.</span>
I would choose the letter A because I read that answer somewhere so it's Federal Reserve