please help!!!!

Which accurately describes the behavior of sound and light in the vacuum of space?

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please help!!!! 

Which accurately describes the behavior of sound and light in the vacuum of space?

anonymous · Answer

Which accurately describes the behavior of sound and light in the vacuum of space? 	
	
 
A.
	A vacuum is a type of medium. Sound, which is a type of mechanical wave and does not require a medium, will travel there. Light, which travels as electromagnetic waves and does require a medium, will also travel there.
	
 
B.
	A vacuum does not contain a medium. Sound, which is a type of mechanical wave and requires a medium, will not travel there. Light, which travels as electromagnetic waves and does not require a medium, will travel there.
	
 
C.
	A vacuum does not contain a medium. Light, which is a type of mechanical wave and requires a medium, will not travel there. Sound, which travels as electromagnetic waves and does not require a medium, will travel there.
	
 
D.
	A vacuum is a type of medium. Sound, which is a type of mechanical wave and requires a medium, will travel there. Light, which travels as electromagnetic waves and does not require a medium, will not travel there.
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anonymous · Answer

a vacuum doesnt contain any solids, liquids, or gases. sound waves need these to travel. light waves dont require a medium.