References

10 - What would happen if all people in the the world lived on one continent?

http://www.zo.utexas.edu/courses/thoc/texas.html

http://www.let.rug.nl/usa/outlines/history-2005/war-prosperity-and-depression/clash-of-cultures.php


 9 - What was the first recorded name?

https://www.nationalgeographic.com/science/phenomena/2015/08/19/whos-the-first-person-in-history-whose-name-we-know/

https://www.ancient-origins.net/artifacts-ancient-writings/leaving-mark-history-oldest-known-named-person-007882

8 - Can a disease become extinct?

https://www.unicef.org/pon96/hevaccin.htm

https://www.historyofvaccines.org/content/articles/disease-eradication

7 - Who is in charge of designing a country’s currency?

https://www.designboom.com/design/money-design-and-history/

https://catalog.usmint.gov/bureau-of-engraving.html

https://www.bankofengland.co.uk/about/history


6 - Why do Potatoes sprout roots when they go bad?

https://www.rachaelray.com/2011/08/30/is-it-safe-to-eat-sprouted-potatoes/

https://www.motherearthnews.com/organic-gardening/why-do-potatoes-sprout-zbcz1712


5 - If we lined up everyone one by one on the Earth, could we circle around the World?

http://www.worldometers.info/world-population/

https://www.quora.com/If-every-human-held-hands-how-many-times-would-we-wrap-around-the-world

https://www.google.com/search?client=firefox-b-ab&ei=mgZnW6_YOo6wa8-sjPAK&q=circumference+of+earth+in+metres&oq=circumference+of+earth+in+metres&gs_l=psy-ab.3..0i22i30k1.3076206.3077597.0.3077695.10.8.0.2.2.0.82.562.8.8.0....0...1c.1.64.psy-ab..0.10.568...0j0i67k1j0i13k1j0i13i5i30k1.0.cBQKobNuwIE


4 - How many animals are there in the world?

https://www.worldatlas.com/articles/how-many-animals-are-there-in-the-world.html

https://www.thoughtco.com/how-many-animal-species-on-planet-130923

3 - Why do different countries have different cultures?

https://www.cliffsnotes.com/study-guides/sociology/culture-and-societies/culture-and-society-defined

https://www.cliffsnotes.com/study-guides/sociology/race-and-ethnicity/race-and-ethnicity-defined

http://crossasia-repository.ub.uni-heidelberg.de/283/1/racecult.pdf


2 - How do we know if planets are “planets”?

https://www.space.com/25986-planet-definition.html

https://briankoberlein.com/2016/02/15/makes-planet-planet/

http://www.loc.gov/rr/scitech/mysteries/pluto.html


1 - What allows starfish limbs to grow new parts?

http://www.scienceline.ucsb.edu/getkey.php?key=681

http://www.starfishfacts.org/starfish_facts_on_regeneration.html