Question

which best describes a tsunami? large powerful wave caused by an earthquake when the waves hit the shore at an angle and transport sand alternating rise and fall of the ocean an irregular climate event caused by ocean currents in the pacific ocean

Explanation:

A tsunami is typically a large, powerful wave generated by seismic activity like an earthquake under the ocean. The other options describe different ocean - related phenomena such as longshore drift (waves hitting shore at an angle and transporting sand), tides (alternating rise and fall of the ocean), and El Niño/La Niña (irregular climate events related to Pacific Ocean currents).

Answer:

A. large powerful wave caused by an earthquake