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.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.

answer; ///progressive relaxation;