A screening test shows the chance that a baby has a certain birth defect. The accuracy of a screening test is based on how often the test correctly finds a birth defect. The nuchal translucency test correctly finds Down syndrome in 64 to 70 out of 100 fetuses who have it.
Why Words are More Powerful than Swords. Words are powerful because they carry energy, sound, and frequency, which are some of the building âblocksâ of matter. Furthermore, they carry information that can be used as knowledge to create or destroy things.
Why is the United States the worldâs most powerful country? The United States is the worldâs only superpower, dominating the worldâs economic and political systems. With the strongest military and economy, the United States is capable of global power projection, giving it significant influence worldwide. Few countries dare to oppose Americaâs political agenda.