I think its C building a barrier wall
When reading a seismograph, _____ waves come first, then _____ waves, and, finally, _____ waves. S, P, L L, P, S P, S, L L, S, P
Naddik [55]
<span>When reading a seismograph, P waves (Fastest) come first, then S waves (Second fastest), and, finally, L </span><span> (Love) R (</span><span>Rayleigh) waves.
Considering answer options: P, S, L waves. Answer
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What’s the question? I may be able to help
Answer: • Visible Light, Radio Waves
• Radio - 305-m , at Arecibo, Puerto Rico
Visible Light - 10.4m Mirror, Canary Island
Explanation:
The spectral window is simply the range of frequencies that are correctly measured. It should be noted that the signals that are outside the spectral window are folded when they show up in spectrum.
The two spectral windows through which electromagnetic radiation easily reaches the surface of earth are the visible light and the radio waves.