The answer is B. Symbiosis. Symbiosis is the relationship least commonly found in nature. Hope it helped you, and have a great day.
-Charlie
The choices can be found elsewhere and as follows:
<span>Ancient Greeks
Ancient Egypt
China in the mid-1400s
None of the above
</span>
I believe the correct answer is the last option. <span>The first record of patient confidentiality dates to none of the choices. I think the country would be US. The first bill about patient confidentiality was made on the year 1995 in the US. Hope this helps.</span>