Answer:
All waves have amplitude, wavelength, and frequency.
Explanation:
A sound wave's frequency is experienced as the wave's pitch. The amplitude determines loudness or volume. The tone of a sound wave can be recognized by the regularity of its vibration.
Answer:
a.
Texas chartered corporations to build new factories and was successful in building several that produced food supplies for the Confederacy.
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the answer is
D.They did not believe in the institution of slavery based on moral principles.
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It revolutionized the maritime industry by allowing faster travel that could now be controlled without being reliant on wind currents. Along with it being faster, you could now transport goods on larger ships through smaller bodies of water like rivers.
Every year, the Federal Reserve conducts a massive survey of American households to paint a portrait of their economic habits and spirits. The recently published findings for 2017 are worth examining for what they say about who should — and shouldn't — get credit for the resilient U.S. economy.
There is nothing unusual about this. When the economy does well, presidents of both parties routinely brag about the results. Trump did just that last week with the latest jobs report. But as I — and many other commentators — have written, the $20 trillion economy is simply too big and complicated to be easily manipulated for partisan advantage.
