Answer:
B. Hearing.
D. Balance.
Explanation:
The ears are organs that provide two main functions: hearing and balance that depend on specialized receptors called hair cells.
Nitrogen — 78 percent.
Oxygen — 21 percent.
Argon — 0.93 percent.
Carbon dioxide — 0.04 percent.
Answer: What substances dissolve in ocean water.
This is the only question that can be answered through scientific investigation because it is the only question that can be tested. The other questions cannot be answered through scientific investigation because they based on opinions which are more abstract.
I think its B transmit genetic information through reproduction
The answer is: lipidic balance, or also called lipid profile (or lipidic profile).
The lipid balance allows measuring the different lipid components (listed before) present in the blood to assess the atherogenic risks of a patient to take preventive measures (eating habits, lifestyle) or appropriate therapeutic.
Depending on the case, only a few parameters or all can be done. This assessment is analyzed over a long period through several measures (at least once a year starting to 40 years old, even not-obese people) to assess the cardiovascular risk.