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fiasKO [112]
3 years ago
8

What is the difference between mechanical waves and electromagnetic waves?

Physics
1 answer:
Elina [12.6K]3 years ago
3 0

Answer:

B.

Explanation:   Mechanical waves need a medium to travel.

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<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3

Answer:

Let's simplify step-by-step.

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Combine Like Terms:

= 3 + 7b + 2 + 2b

= ( 7b + 2b ) + ( 3 + 2 )

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Answer:

= 9b + 5

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5 0
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Lelechka [254]

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