It would have to have a density greater than the density of Mercury. For example, if an abject had a density of 14.5 g/cm^3, it would sink when put in Mercury. Hope this helps! :D
Aerobic respiration<span>, a process that uses oxygen, and </span>anaerobic respiration, a process thatdoesn't<span> use oxygen, are two forms of cellular respiration. Although some cells may engage in just one type of respiration, most cells use both types, depending on an organism's needs. Cellular respiration also occurs outside of macro-organisms, as chemical processes — for example, in fermentation. In general, respiration is used to eliminate waste products and generate energy.</span>
<u>The ethical issues associated with the medical use of DNA technology:</u>
- Patient identification is one of the major ethical issues.
- There should be a legal signed consent by the person who is being used for the test.
- Also, DNA technology or genetic tests may expose the person to any life-threatening illness.
- It may expose some risks of diseases in the future which may lead to anxiety and depression in the person.
- Genetic tests may allow diagnosis of eye color or other traits in the embryo.