<u>Answer:</u>
The scientists have used the common historical and functional basis of living organisms to create the geological time period.
<u>Explanation:</u>
All the living things present on earth have gone through the evolutionary process. According to the researches, the oldest fossil found on the earth can be traced 3.5 to 3.7 billion years back, and life today on earth has been evolved from a common ancestor through natural selection or adaptions.
The geological time period shows all the changes in living organisms in different eras eons, eras, periods, epochs.
The answer is A; all of the above
A common resource (or the "commons") is any scarce resource, such as water or pasture, that provides users with tangible benefits but which nobody in particular owns or has exclusive claim to. A major concern with common resources is overuse, especially when there are poor social-management systems in place to protect the core resource.
My diagnosis in this case is that the 6-month-old girl suffered from the infection caused by the virus called rotavirus.
<h3>What is rotavirus?</h3>
A rotavirus belongs to the genus within the family of virus called Reoviridae. They are made up of a double capsid and a double-stranded RNA genome.
The symptoms of this virus include:
Therefore, the correct diagnosis should be that the 6-month-old girl suffered from the infection caused by the virus called rotavirus.
Learn more about virus here:
brainly.com/question/17395741
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