A sound wave has a frequency of 440 HZ and a wavelength of. 780 m what is the waves speed of the sound wave.

A. 100m/s

B. 34m/s

C. 2m/s

D. 343.2m/s

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The First Great Awakening was a revival movement among

Why did the Kellogg Briand pact prove to be ineffective?

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What happened when Moctezuma offered Cortés gold to get him to leave? A.) The Aztecs declared Cortés their leader. B.) Cortés formed a partnership with the Aztecs. C.) Cortés took the gold and returned to Spain. D.