The prefix cyto- means “cell.” The suffix -logy means “study.” How does knowledge of these word parts help define cytology?

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:

answer; polycythemia is the correct answer;