Question

Blowing across the top of the bottle causes
a. Glass, air
b. Air , glass
c. Air, air
d. Glass, glass

Answer 1

Answer:

c. Air, air

Explanation:

When you blow across the top of the bottle, you set the air molecules vibrating and produce sound waves. In this case, more water results in a higher pitch, as opposed to tinkling the bottle. When the bottle has a small amount of water in it, the air molecules have lots of room and vibrate slower.

Answer 2

Answer = Air,air

this is the correct answer

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