RF signals cannot pass through ____.
A. a vacuum
B. solid materials
C. liquids
D. None of the above
Answer: D
You might also like to view...
Assess the validity of the following statement: "Slavery might have begun in America for economic reasons, but by the end of the 17th century, it was clear that racial discrimination also powerfully molded the American slave system."
What will be an ideal response?
Following the War of 1812, nationalism could be seen in all of the following EXCEPT
A. the way in which American painters depicted the beauty of American landscapes. B. the congressional defeat of an effort to revive the Bank of the United States in 1816. C. the building of a more handsome national capital. D. an expanded army and navy. E. development of a national literature.
Changes to the drawings will be noted in the _____
a. approval block b. legend c. revision block d. title block
Before a disposable refrigerant cylinder can be disposed of it:
A. Must be cleaned B. Must be completely emptied of refrigerant C. Must be filled with compressed air D. Must be flushed with water