Science

An echo occurs when a sound wave bounces off a smooth surface and travels back in the same direction it came. This is an example of
A. Reflection.
B. Refraction.
C. Scatter.
D. Absorption.
Is the answer A?
Thanks

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  1. yes

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  2. The answer is A

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  3. I LUV BACON

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  4. wow who is from connnexus??????

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  5. i am lol

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  6. I am too lol

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  7. i from oca to XD

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  8. Yes

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  9. Which age group has twice as many people as another age group

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  10. Which age group has twice as many people as another age group?

    A: 76-85
    B: 15-25
    C: 36-45
    D: 46-55

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  11. i am from connexus

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