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.
I’m pretty sure it’s Germany
The answer is C for #12 and B for #13
In the years leading up to the Civil War, the South continued to fall behind the North in all of the following except "military leadership," since the South contained some of the greatest generals of all time, such as Robert E. Lee.
Mediterranean; by land to the Red Sea or Persian Gulf; by water to India and<span><span> China.</span> </span>
