I believe the answer is: D. performing charitable work for the African American community
United Negro Improvement Association was created in order to improve the quality of lives for African American citizens in united states, which might be stunted due to having to face centuries of slavery, racial segregation, and years of racial discrimination.
One of their main program is providing poor African American students with scholarship to pursue their education.
I would say that older adults are more likely to spend less time in deep sleep as from my own experience as an older adult I often wake up 2 or 3 times a night but usually get right back to sleep if there are no distractions, whereas my son seems to sleep for longer periods of time. Also, older adults seem to need less sleep time than younger adults.
<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>
Arguably, the most significant battles of the War included Sardis, which was burned by the Greeks in 498 BCE; Marathon in 490 BCE, the first Persian invasion of Greece; Thermopylae (480), the second invasion after which the Persians took Athens; Salamis, when the combined Greek navy decisively beat the Persians in 480; and Plataea, where the Greeks effectively ended the second Persian invasion in 479.
