I would say B, I'm not fully sure.
Answer:
The answer is either A or C, but most likely it is A
Explanation:
Answer: The most common tones produced by sirens in the United States are "alert" (Steady) and "attack" (wail). ... Attack Warning – A 3 to 5 minute wavering tone on sirens or a series of short blasts on horns or other devices. The Attack Warning signal means detection of an actual attack or accidental missile launch. The sirens are usually for the people surrounding the area to let them know that they need to evacuate immediately.
I hope this helps
~Princess <3
Generally speaking, a civilization whose impact can be felt on history for a very long time can be called a "lasting civilization", since the things they put into effect have "lasted" throughout the years.
Well this was the beginning of women wanting equality, and also inspired the long process in history for African Americans to attempt freedom. It's eventually gained, but even as free people African Americans are not given the same rights as the old white guys who wanted "freedom" back in colonial days.
