The time difference between the occurrences of two peaks is the period of the wave. The time difference between two consecutive black dots marked also gives the period of the wave. Generally, symbol ‘T’ is used to denote period in physics. Unit of measuring period is seconds (s).
I believe the correct answer would be B. Semipermeable means that it allows certain substances to pass through, and certain other ones to not pass through. So given all of your options, I would say that B makes the most sense. Hope this helped!
-TTL
Answer:
Oceanic crust is thinner and denser than continental crust.
Explanation:
A cryosphere is just a hydrosphere but it's frozen in some way. glaciers, ice caps, and icebergs are cryospheres (frozen bodies of water).