Answer:2m
Explanation:
Wavelength=velocity/frequency
Wavelength=4/2=2m
Answer:
A
Explanation:



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The dog does not go through metamorphosis.
Answer:
Most of what we know about the interior of the Earth comes from the study of seismic waves from earthquakes. Seismic waves from large earthquakes pass throughout the Earth. These waves contain vital information about the internal structure of the Earth.
Answer:
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