Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to locate salt water fish [title] Understand how environmental factors affect fish. [step] Not all fish can live in the same kinds of waters. Different species need different sets of environmental conditions, including : [substeps] Hiding areas, cover, structure, and the bottom salinity dissolved oxygen water temperature types and amounts of food tides and currents water depth [title] Find " structure.

Ending1: [step] " fish that are covered in layers of cloth work well underwater when submerged under water. However, water that is dry and rock slides should be offed to keep them under water. Ending2: [step] " the best way to find out how fish fish are made is to identify " structure " based on what your fish look like in saltwater. [substeps] Look at all shapes and sizes of fish, but also under a microscope. Ending3: [step] " many fish species such as striped bass and grouper live or hold near structure. Structure refers to changes in the shape of the bottom caused by rocks, reefs, man-made objects, humps, ledges, and drop-offs. Ending4: [step] " this is the substrate of the water. Sometimes saltwater in water can seem too deep when looking at a long thin strand.

Answer format: ending1/ending2/ending3/ending4