What are some real - life examples of when you want to keep heat energy from being lost to the environment?

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; ///(b) it is composed of four protein chains and four heme groups;

the question isn't complete here so i can't right an answer '_'