They live is harsh environment that no other creature could withstand for example thermal vents.
There is a capital difference between all the other civilizations mentioned, even if Greeks were heavily influenced by them and adopted many of their advancements and scientifical discoveries or art, technology and so far.
They had a polytheistic religion meaning they worshipped more than one deity. Hundreds of gods would watch over workers who each worked for a specific deity.
Answer:
Hmm there are many things such as demographic transitional models, and epidemiological transition models, population pyramids, etc.
Explanation:
the models and population pyramids both help someone learn about an area at a given time. We can see how developed a country is by looking at birth and death rates, gender ratios, etc. For example, less children and a longer life expectancy means a more developed country, seeing as people live longer so there is no need for all those kids, and women are being given more education so it is less likely for them to want to stay home, but rather go out and get an education (:
It is based on shared concepts that people define for themselves. -Apex