Forced-Air would be the type of central heating system
Answer:
mechanical waves,
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the quality of a sound governed by the rate of vibrations producing it; the degree of highness or lowness of a tone.
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If the amplitude increases the volume increases and vice versa.
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The type of medium affects a sound wave as sound travels with the help of the vibration in particles.
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The higher the frequency, the shorter the wavelength.
Explanation:
Answer:
A
Explanation:
if it was B it would say from one to another to another
The piece of paper has less mass and will glide down the window, whereas the textbook will go straight to the ground. Since the textbook has more mass and less ways of it being able to 'glide' the textbook will hit the ground first.
