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.
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<span>The answer is A. the Colosseum of Rome.
The Colosseum of Rome was built in AD 72 and was completed in AD 81, which is in the 1st century. The Library of Alexandria, Colossus of Rhodes, and the Lighthouse at Alexandria were built during the Hellenistic period which is in the 3rd century.</span>
I think it's her grandmother
Answer:is there any more to this
Explanation:
Answer:
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