Answer:
Sound waves travel at 343 m/s through the air and faster through liquids and solids. The waves transfer energy from the source of the sound, e.g. a drum, to its surroundings. Your ear detects sound waves when vibrating air particles cause your ear drum to vibrate. The bigger the vibrations the louder the sound.
Is this abut "The Telltale Heart?" Because is it is, the answer is B.
D a compound sentence is 2 sentences joined by a connective (eg and)
Question 1 :
C.
Question 2 :
A.
Question 3 :
C. or D.
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