An earthquake on the ocean floor can produce a tsunami, which may grow into a huge wave as it approaches the shore.

An earthquake on the ocean floor can produce a tsunami, which may grow into a huge wave as it approaches the shore. A type of building that absorbs the energy of seismic waves is a fixed-base building. A town experiences a smaller earthquake several days after a large one.

a and c

c is 100% but i am confused in a