<span>engine makes the car go forward but, it is the engine that makes the wheels go.
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The answer is A or B hope this helps
To find wave speed, you multiply the wavelength by the frequency. This means it is 8 times 11. This gives you 88. That means the answer is 88mm/s
False
reason- they affect much more than physical appearance
Try doung the mri or a ultrasound insyead to get ur answer