1.

1 answer:

Lerok [7]3 years ago

7 0

1. Light waves are one type of electromagnetic wave.

2. Sound is an example of a mechanical wave.

3. A mechanical wave requires a medium.

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victus00 [196]

Answer:

mel mel 4 ever

Explanation:

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3 years ago

TEA [102]

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Colt1911 [192]

Answer:

s= 64m I'm not 100% sure

Explanation: like 97.9%

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3 years ago

Gennadij [26K]

Your answer would be 75 meters

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Ganezh [65]

Answer:

astronomical unit

Explanation:

https://en.wikipedia.org/wiki/Astronomical_unit

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3 years ago