Answer:
Ideas such as eugenics and cloning.
Explanation:
This are controversial because would be tried in humans and would open up not only many moral and ethical debates but also in it's aplications, which cases, at which people, how, etc.
Probably because they do not have factories or refineries needed to process the raw materials.
Western and eastern, in western the main religion is Christian and catholic and eastern is muslim Hinduism and so on
C. I’m pretty sure good luck
There weren't many advancements in architecture for hundreds of years, so they were similar until the renaissance
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