Answer: I’m pretty sure your answer would be D- It increases in magnitude with an increase in size of seismic waves.
Explanation: I’m so sorry if I’m wrong. This is on edge btw
The English Channel is the body of water between England (Great Britain) and France, it is connected to the Atlantic Ocean.
Being a body of water, it can't be a water way - so the answer b) is false.
In fact, from the description above you know that the answer a. an extension of the Atlantic Ocean between England and France is true.