What might occur if a solar eclipse lasted longer?

Plants will die

Explanation:

Plants use sunlight for photosynthesis to manufacture food... Without, they will die

the oceanic zone is typically defined as the area of the ocean lying beyond the continental shelf, but operationally is often referred to as beginning where the water depths drop to below 100 meters (328 feet), seaward from the coast to the open ocean.

explanation:

well, i believe that the answer is 2. : 3