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Which one of the following best represents the scientific notation, 3×10 to the third power?

The number of cycles that occur in one second is known as:

This freed all the slaves

The [1] was a successful step in policing the south, until it was ended by [2].

The Emancipation Proclamation was arguably legal as it was issued by [1] but was arguably illegal because it was issued by [2]

General Fremont was fired.  Lincoln’s reasoning had to do with

If the amplitude of a sound beam is increased by 5 times, what would be the expected increase in intensity?

Manassas/Bull run was a Union [1] because the South [2].

What frequency would be considered ultrasound (not diagnostic JUST ultrasound)?

Fort Sumter was crucial, primarily because