Decibels measure intensity. If you whisper in an empty room it will measure between 0 and 1 db. This indicates the intensity of sound is minimal. This is considered the threshold of hearing.
A sound that measures 30 decibels is a 1000 times louder than the the threshold of hearing. An example of this is the noise of a regular computer produces between 20-40 dB.
Answer:
A. Voting rights could not be denied based on race.
Answer:
John C, Calhoun was a ardent supporter of slavery and a Vice-President of the United States and a senator from South Carolina. He believed African Americans were intellectual inferior.
Explanation:
Answer: The Indian Removal Act
The law authorized the president to negotiate with southern Native American tribes for their removal to federal territory.
