Hospitals are interested in ocean research because

1. the ocean floor is rich with oil and natural gas

2. oysters are a a valuable source of copper

3. powerful anesthestics are found in marine organisms

4. fish are a valuable source of protein

3. powerful anesthestics are found in marine organisms  

Explanation:

Oceanography is the study of all aspects of the oceans including the physical, chemical occurring in the oceanic water, the study of the marine life, and seafloor geology.

3. powerful anesthestics are found in marine organisms is the correct option. As the hospitals can conduct research on how marine organisms can be useful for production of medicines. As the aim of the hospital and other medical institute is to find the relevant sources of plants and animals derivatives to use them in medication.

your answer is "the 1950's"

one would be wind another would be water density