Don't you think that element is ferrous i mean iron.
Tsunamis are most common in the Pacific Ocean Basin. The entire Pacific Ocean is ringed by areas known as subduction zones, where the tectonic plates of the earth are moving relative to one another. Subduction zones are where two or more plates are colliding and one is going underneath another.
Answer:
I think it is AM and frequency
Explanation:
Sorry if i'm wrong ;)
I think convergent but could be wrong