The of a sound wave is defined as the amount of energy passing through a unit area of the wave front in a unit of time.
a. intensity
b. compression
c. frequency
d. amplitude

american political culture includes a plenty of focus views and preferences. not all westerns experience the same opinions, of course, but the large preponderance promises to these general ideas, including equality, justice, freedom, individualism, integrity, and difference.

the united states is a democratic republic. residents elect representatives to governmental, nation, and local administration; those deputies create the regulations that command u.s. community. although emptiness in u.s. law needs it, in usage, the administrative system is ruled by executive factions.

the use of electrical signals that transit messages is know as