<span>Lower socioeconomic status is probably the most powerful single contributor to premature morbidity and mortality.It is an economic and sociological combined total measure of a person's work experience and of an individual's or family's economic and social position in relation to others, based on income, education, and occupation.</span>
Answer:
In 1820, amid growing sectional tensions over the issue of slavery, the U.S. Congress passed a law that admitted Missouri to the Union as a slave state and Maine as a free state, while banning slavery from the remaining Louisiana Purchase lands located north of the 36º 30' parallel.
I believe the answer is: Nitric oxide
<span>Nitric oxide could be synthesized on demand, because it is considered to be membrane permeant that cannot be stored. Calcium influx through </span><span>The N-methyl-D-aspartate </span>receptor activates nitric oxide synthase (NOS), which synthesizes Nitric oxide from L-arginine which allow it <span> to act as a retrograde messenger from the dendrite to the terminal button. </span>