What events prior to 9/11 put the U. S. and Osama bin Laden in alliance? The U. S. and bin Laden were allies to stop genocide in Africa. The U. S. and bin Laden were allies against Saudi Arabia. The U. S. and bin Laden were allies against the Soviets. none of the above

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According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?

Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit