THIS IS MY PERSONAL OPINION:
The world is indeed changing very fast, and the future brings new possibilities and new realities. I foresee that humans will thrive for another 50 years, until the global warming situation reaches its limits. The people in the future I think will not have any ( maybe rarely) social interactions, maybe we will go to the moon etc. but i still strongly believe that the end of humanity is decades close.
I hope this helps you :)
Here are the sites that defines plagiarism and how to avoid it:
1. http://www.plagiarism.org/article/what-is-plagiarism
2. https://en.wikipedia.org/wiki/Plagiarism
3. https://writingcenter.unc.edu/tips-and-tools/plagiarism/
4. http://gethelp.library.upenn.edu/guides/engineering/ee/plagiarize.html
5. http://www.aresearchguide.com/6plagiar.html
I'd simply say that everyone has their own opinions. Some people don't want to experience it in real life because they fear they may mess up. Hence why we have simulations of things, to help people who don't want to experience something in real life and prepare them for when they decide to go out and actually do it.
Answer:
They are not twins but triplets or quadruplets.
Explanation:
